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Words that Start with U for Kids - List of Essential Vocabulary Words

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Written by
Scott Sosso

A Comprehensive List of Words that Start with U to Enhance Kids’ Speaking and Reading Skills

Our age-specific word lists are derived from a study on the learning age of over 30,000 English words, ensuring educational relevance. We vet words for kid-friendliness using advanced tools and prioritize vocabulary based on usage frequency, informed by extensive research, to benefit children's learning.

LUCA presents an enriching list of positive words starting with "U" to help with your child's learning journey. From "upbeat" to "unique," and "understanding" to "uplifting," this thoughtfully curated collection spans from kindergarten to high school levels. LUCA ensures a diverse range of words, carefully selected for their fun and varying levels of complexity. From beginner-friendly words to more advanced ones, this collection offers something for everyone.

Words that Start with

U

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ukelele
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umbrella
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unicorn
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university
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up
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utensils

List of Words that Start with U for Pre-K 3 (3-Year-Olds)

Most Common Words that Start with U

up

upstairs

underwear

Short and Easy Words that Start with U

up

Long Words that Start with U

upstairs

underwear

Nouns that Start with U

underwear

Sentences for 3-Year-Olds

Show your three-year-old how to use words that start with U! Here are examples crafted for their understanding.

I keep my crayons upstairs in my room.

Let's play dress-up with my bear wearing underwear.

We walk up the hill to slide down.

My puppy wakes up with the sun.

Bunny hops up to find carrots.

Mom helps me zip up my jacket.

Up in the sky, I see a big, yellow sun.

List of Words that Start with U for Pre-K 4 (4-Year-Olds)

Most Common Words that Start with U

us

use

uncle

untie

unsafe

unhappy

Short and Easy Words that Start with U

us

use

5-letter Words that Start with U

uncle

untie

6-letter Words that Start with U

unsafe

7-letter Words that Start with U

unhappy

Nouns that Start with U

us

Sentences for 4-Year-Olds

Here are sentences for 4-year-olds with words that start with U. Read them together!

I can untie my shoes all by myself.

Uncle Tom lets me ride on his shoulders.

Walking without holding hands is unsafe on busy streets.

When my toy breaks, I feel unhappy for a little while.

Us kids will play hide and seek in the backyard.

I use crayons to draw pictures of our family.

List of Words that Start with U for Pre-K (5-Year-Olds)

Most Common Words that Start with U

under

until

upset

unfair

uniform

umbrella

unbuttoned

5-letter Words that Start with U

under

until

upset

6-letter Words that Start with U

unfair

7-letter Words that Start with U

uniform

Long Words that Start with U

umbrella

unbuttoned

Nouns that Start with U

umbrella

Sentences for 5-Year-Olds

Learn simple sentences with words that start with U! Suitable for kids aged 5, these sentences help with word recognition and language development.

I hid under the table during hide-and-seek.

She felt upset because her ice cream fell on the ground.

It's unfair when I don't get a turn on the swing.

Every morning, I wear my school uniform proudly.

He unbuttoned his coat because it was warm inside.

We had to wait until after lunch to go to the park.

I love my colorful umbrella when it rains outside.

List of Words that Start with U for Kindergarten (6-Year-Olds)

Most Common Words that Start with U

upon

upward

useful

unhealthy

understand

unhappiness

Short and Easy Words that Start with U

upon

6-letter Words that Start with U

upward

useful

Long Words that Start with U

unhealthy

understand

unhappiness

Descriptive Words that Start with U

useful

Verbs that Start with U

understand

Sentences for 6-Year-Olds

Introduce your child to sentences with U-words! Here are some clear examples for 6-year-olds.

Sentences for Kindergarteners to understand words beginning with 'U':

Sometimes we all feel a bit of unhappiness, but then we find things that make us smile.

Drinking milk is useful for building strong bones.

Eating too much candy can be unhealthy, so let's enjoy fruits too.

The cat jumped upon the table to nap in the sunshine.

I understand that sharing toys with friends makes playtime more fun.

When I throw the ball upward, it comes back down because of gravity.

List of Words that Start with U for 1st Grade (7-Year-Olds)

Most Common Words that Start with U

unit

unite

upper

unable

uneven

unkind

unless

unreal

unused

unwise

unlucky

upwards

useless

unbroken

unopened

unsteady

unwashed

undecided

untouched

unanswered

Short and Easy Words that Start with U

unit

5-letter Words that Start with U

unite

upper

6-letter Words that Start with U

unable

uneven

unkind

unless

unreal

unused

unwise

7-letter Words that Start with U

unlucky

upwards

useless

Long Words that Start with U

unbroken

unopened

unsteady

unwashed

undecided

untouched

unanswered

unfinished

unfriendly

unkindness

underground

unimportant

uncomfortable

understanding

unfortunately

Descriptive Words that Start with U

unused

useless

Verbs that Start with U

unite

Sentences for 7-Year-Olds

Introducing sentences crafted for 7-year-olds with words starting with U. Find out how we've used them below.

Toys that are untouched are brand new.

My lunchbox is on the upper shelf in the kitchen.

That story sounds unreal, like a fairy tale.

It's unwise to talk to strangers when we're outside.

Birds fly upwards toward the sky.

Sharing is caring; unkindness is not nice.

You can play outside unless it rains.

Hold the glass with both hands if you feel unsteady.

List of Words that Start with U for 2nd Grade (8-Year-Olds)

Most Common Words that Start with U

uncut

usual

unfold

unique

untidy

untold

urgent

unheard

unknown

unnamed

unusual

upright

uncommon

unlikely

uncertain

unchanged

unwelcome

unwilling

unexplored

unoccupied

5-letter Words that Start with U

uncut

usual

6-letter Words that Start with U

unfold

unique

untidy

untold

urgent

7-letter Words that Start with U

unheard

unknown

unnamed

unusual

upright

Long Words that Start with U

uncommon

unlikely

uncertain

unchanged

unwelcome

unwilling

unexplored

unoccupied

unprepared

unavoidable

unexplained

unsatisfied

uselessness

unattractive

undiscovered

Descriptive Words that Start with U

usual

unique

urgent

Sentences for 8-Year-Olds

Enhance your child's vocabulary with U-word sentences! Here's how those words are used for an 8-year-old's understanding.

The attic holds untold secrets and adventures.

My room is untidy, so I can't find my favorite toy.

Always stand upright during the pledge at school.

Helping others in urgent situations is important.

An unwelcome rainstorm spoiled our picnic plans.

Feeling uselessness isn't nice, but everyone has a special talent.

Sometimes I'm unwilling to share my snacks, but I'm learning.

Eating ice cream after dinner is the usual treat.

There are still unexplored places on Earth where no human has gone.

List of Words that Start with U for 3rd Grade (9-Year-Olds)

Most Common Words that Start with U

urge

union

unity

urban

usher

utter

uneasy

unseen

uproar

unaware

unequal

untamed

urgency

unending

unharmed

universe

unshaken

unspoken

upturned

undivided

Short and Easy Words that Start with U

urge

5-letter Words that Start with U

union

unity

urban

usher

utter

6-letter Words that Start with U

uneasy

unseen

uproar

7-letter Words that Start with U

unaware

unequal

untamed

urgency

Long Words that Start with U

unending

unharmed

universe

unshaken

unspoken

upturned

undivided

uninvited

unlimited

unmarried

unnatural

unnoticed

untrained

uppermost

uneasiness

uneducated

unfamiliar

ungrateful

unpleasant

unconnected

Descriptive Words that Start with U

urban

Nouns that Start with U

uproar

Sentences for 9-Year-Olds

Here are some sentences for 9-year-olds that incorporate words beginning with U. See how these terms are used!

Untrained puppies need a lot of patience and consistent training.

He felt uninvited to the party since he didn't receive an invitation.

The bird was unseen in the tree, camouflaged among the leaves.

When the remote-controlled car's battery ran out, it became uncontrolled.

The students formed a union to organize their ideas for the school fair.

List of Words that Start with U for 4th Grade (10-Year-Olds)

Most Common Words that Start with U

undue

unfit

usage

unborn

unrest

uphold

uplift

utmost

unaided

unarmed

undergo

undying

ultimate

undimmed

ungainly

unstable

untimely

unworthy

unanimous

unbridled

5-letter Words that Start with U

undue

unfit

usage

6-letter Words that Start with U

unborn

unrest

uphold

uplift

utmost

7-letter Words that Start with U

unaided

unarmed

undergo

undying

Long Words that Start with U

ultimate

undimmed

ungainly

unstable

untimely

unworthy

unanimous

unbridled

unchecked

undoubted

unguarded

universal

unwritten

uplifting

ultimately

unaffected

unbearable

undeniable

undisputed

uneventful

Descriptive Words that Start with U

ultimate

ungainly

undoubted

undeniable

unspeakable

unmistakable

Verbs that Start with U

uphold

undergo

Sentences for 10-Year-Olds

Boost your child's vocabulary with U words that are part of their world. See how these words can be used in sentences fit for a 10-year-old.

Our family trip to the university was both educational and fun.

Unconditional love is what my parents give me every day.

An undeniable fact is that the sun sets in the west.

He showed undying support for his team, cheering even in the rain.

The uneventful afternoon was a perfect time for quiet reading.

The unspeakable beauty of the mountains took our breath away.

Trying to balance on the beams made me feel utterly unstable.

Having an unguarded conversation with a friend can strengthen your bond.

The unbridled enthusiasm of the puppy chasing its tail made everyone smile.

Grandma's stories from her childhood are an unwritten treasure of our family.

Uplifting music can turn a bad day into a good one instantly.

Uncle Jerry mastered the art of making an unchangeable decision.

Unanimous agreement among team members is essential for success.

Unbearable heat in the summer makes swimming the best activity.

Unexpected surprises can make an ordinary day special.

List of Words that Start with U for 5th Grade (11-Year-Olds)

Most Common Words that Start with U

unison

unjust

upland

uncouth

utility

unlawful

uprising

undefined

undertake

undertone

unearthly

untutored

unassuming

unbecoming

uniformity

unsuitable

unalterable

undeserving

unwholesome

unattainable

6-letter Words that Start with U

unison

unjust

upland

7-letter Words that Start with U

uncouth

utility

Long Words that Start with U

unlawful

uprising

undefined

undertake

undertone

unearthly

untutored

unassuming

unbecoming

uniformity

unsuitable

unalterable

undeserving

unwholesome

unattainable

unmanageable

unprofitable

unseasonable

unaccountable

unconventional

Descriptive Words that Start with U

uncouth

unalterable

Nouns that Start with U

upland

Verbs that Start with U

undertake

Sentences for 11-Year-Olds

Boost vocabulary with these 'U' words suitable for an 11-year-old. Read the fun sentences below.

When the choir sang in unison, the hall filled with beautiful harmony.

The old house at night looks so unearthly, it gives me goosebumps.

Eating too many candies is unwholesome and can give you a tummy ache.

It is unlawful to take something that does not belong to you.

It is unjust when someone cheats at games and gets to win.

Without a teacher, I feel untutored in solving these difficult math problems.

My little puppy is so unmanageable when he sees treats and starts jumping everywhere.

List of Words that Start with U for 6th Grade (12-Year-Olds)

Most Common Words that Start with U

unheeded

unwieldy

unanimity

unfounded

uttermost

underlying

unforeseen

uninformed

unprovoked

unrivalled

upholstery

unblemished

uncertainty

unpublished

unreasoning

unparalleled

unrestrained

uncomplaining

unsophisticated

Long Words that Start with U

unheeded

unwieldy

unanimity

unfounded

uttermost

underlying

unforeseen

uninformed

unprovoked

unrivalled

upholstery

unblemished

uncertainty

unpublished

unreasoning

unparalleled

unrestrained

uncomplaining

unsophisticated

Descriptive Words that Start with U

unwieldy

Sentences for 12-Year-Olds

Learn how to use words that begin with U in sentences! Here are examples crafted for 12-year-old minds to grasp the meaning easily.

Our class voted with unanimity to go on a field trip to the science museum.

My grandmother's old necklace remains unblemished even after all these years.

Unfortunately, I was uninformed about the change in the schedule for soccer practice.

There's a lot of uncertainty around the weather, so pack an umbrella and sunscreen just in case.

The underlying message of the story was about the importance of honesty.

The rumor about the haunted house on the hill was unfounded and not true at all.

The fire alarm went unheeded during the drill, which concerned the safety officers.

In the face of discomfort, the uncomplaining attitude of the hike leader inspired us all.

The unforeseen snowstorm caused school to be canceled, which was a pleasant surprise.

We chose a fabric for the upholstery that would be durable and easy to clean.

He searched to the uttermost part of the attic to find the old family album.

The unsophisticated drawing of a family in front of a house was heartwarming in its simplicity.

Carrying the unwieldy sofa up the stairs required teamwork and patience.

The unpublished manuscript contained stories of her adventures across the world.

The unprovoked act of kindness from the stranger made everyone's day better.

The unrestrained joy on the children's faces when they saw the surprise was infectious.

His skill in mathematics was unparalleled in his school; he won every math competition.

Her dedication to practicing the piano every day was unrivalled by any of her peers.

The dog charged across the yard in a burst of unreasoning excitement upon seeing its owner.

List of Words that Start with U for 7th Grade (13-Year-Olds)

Most Common Words that Start with U

upshot

unabated

undaunted

utterance

unfettered

unyielding

undignified

unobtrusive

unpalatable

unpardonable

unprecedented

6-letter Words that Start with U

upshot

Long Words that Start with U

unabated

undaunted

utterance

unfettered

unyielding

undignified

unobtrusive

unpalatable

unpardonable

unprecedented

Descriptive Words that Start with U

unprecedented

Nouns that Start with U

upshot

Sentences for 13-Year-Olds

Learn how the letter U is used in different words for kids aged 13! Here are some example sentences featuring words that begin with U.

Unprecedented events in history often change the way we look at the world.

Feeling undaunted by the challenge, she decided to build the model airplane herself.

With imagination unfettered by doubt, he created a whole universe of his own.

The discussion about the new school policy continued unabated for hours.

It's unpardonable to cheat on a test, as it breaks the trust of the teacher.

Unpalatable food can ruin a birthday party, so choose the cake flavor everyone likes.

The shy kitten remained unobtrusive, hiding under the table during the party.

The upshot of the science project was learning more about teamwork and hard work.

Despite the pressure to give up, she remained unyielding in her decision to finish the race.

Showing up at the formal event in a tracksuit was considered undignified by many.

His utterance was so quiet that barely anyone in the class heard his answer.

List of Words that Start with U for 8th Grade (14-Year-Olds)

Most Common Words that Start with U

ulster

unimpeded

undulating

unequivocal

unscrupulous

unintelligible

6-letter Words that Start with U

ulster

Long Words that Start with U

unimpeded

undulating

unequivocal

unscrupulous

unintelligible

Verbs that Start with U

undulating

Sentences for 14-Year-Olds

Learn how the letter U is used in these examples for 14-year-olds.

The teacher's explanation was unequivocal, leaving no room for doubt.

His unscrupulous tactics in the game earned him a bad reputation.

During winter, he wore his heavy ulster to stay warm.

Her handwriting was so poor it was almost unintelligible.

The new highway allowed traffic to flow unimpeded through the city.

The undulating waves at the beach soothed everyone relaxing on the shore.

List of Words that Start with U for 9th Grade (15-Year-Olds)

Most Common Words that Start with U

untenable

ubiquitous

unmitigated

Long Words that Start with U

untenable

ubiquitous

unmitigated

Descriptive Words that Start with U

ubiquitous

Sentences for 15-Year-Olds

Here are some sentences for 15-year-olds featuring words that start with U. Let's see them in use.

His argument, while creative, was ultimately untenable in the debate club.

The storm brought unmitigated chaos to the coast, leaving everyone scrambling for shelter.

Mobile phones have become ubiquitous; it seems like everyone has one these days.

How to Effectively Pick Up Words that Start with "U"

Alphabetical Order Sorting

Teach children to organize "U" words like "umbrella", "unicorn", "under", "use", and "unlock" in alphabetical order. This activity will help understand the alphabet sequence and word organization. Turn it into a game where each correct order earns a point!

Word Classification

Encourage your kids to classify "U" words into categories such as emotions, objects, and actions. Sorting words like "upset", "umbrella", and "unite" into groups enhances cognitive skills. You can use drawings or toys for a hands-on classification experience.

Word and Picture Matching

Another engaging way to practice word recognition is matching words such as "umpire" and "unicycle" with corresponding pictures. Visual association is proved to strengthen memory and understanding of words. Use colorful pictures and reward matches with stickers!

Rhyming Words

Find rhymes for "U" words to explore phonetics. For example, a rhyming word for “Use” could be “Moose”. This phonemic awareness activity is essential for developing reading and spelling skills. Create a rhyming words treasure hunt!

Story Creation

Ask your young learner to create stories using words like "universe", "unlock", "uplift", and "underwater". This activity fosters imagination and narrative skills. To make it even more fun, illustrate the story together after it's written!

author-image

Scott Sosso is a serial entrepreneur recognized as one of the top in his industry from a young age. Before the age of 30, he used his entrepreneurial skills to grow a real estate startup to a billion in sales in just three years. Later, he took that entrepreneurial spirit to the healthcare industry, and through various senior leadership roles, he was a key team member who led a healthcare company to 6X gross revenues. While none of these journeys were easy, the process of scaling businesses and navigating complex market dynamics has been a testament to Scott's resilience and business acumen.

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