'%3e%3cpath%20d='M38.5%2037%20H51.5%20M45%2037%20V53'/%3e%3c/g%3e%3c/g%3e%3c/svg%3e)
Words Starting With U
All 229 English words beginning with U, from 2 to 14 letters, grouped by length with the longest and most useful highlighted.
Key facts about this word list
- Words in this list
- 229
- Word lengths
- 2–14 letters
- Most common length
- 6 letters (37)
- Shortest
- uh, um, un
- Longest
- understandable
6-letter words are the largest group here — 37 words, 16% of the list.
The longest entry is “understandable” (14 letters); the shortest are “uh”, “um”, “un”.
The most frequently used are “us”, “up”, “use”, “used”, “user”.
229 wordsshowing 229
2-letter words (6)
- uh
- um
- un
- up
- us
- ut
3-letter words (2)
- urn
- use
4-letter words (14)
- ugly
- undo
- unit
- univ
- unix
- unto
- upon
- urge
- used
- user
- uses
- ussr
- utah
- util
5-letter words (21)
- ultra
- uncle
- uncut
- under
- union
- unite
- units
- unity
- until
- upper
- upset
- urban
- urged
- urges
- urine
- usage
- users
- usher
- using
- usual
- utter
6-letter words (37)
- uganda
- ulster
- ultima
- unable
- unesco
- unfair
- unicef
- unions
- unique
- unisex
- united
- unless
- unlike
- unlock
- unpaid
- unread
- unreal
- unsafe
- unseen
- unsure
- unused
- unwrap
- update
- upload
- upside
- uptake
- uptime
- uptown
- upward
- urbana
- urgent
- urging
- usable
- useful
- usenet
- utmost
- utopia
7-letter words (30)
- ukraine
- unaware
- unclear
- uncover
- undergo
- unhappy
- unified
- uniform
- unknown
- unnamed
- unrated
- unusual
- unveils
- updated
- updates
- upgrade
- uploads
- upright
- upscale
- upwards
- uranium
- urgency
- urinary
- urology
- uruguay
- useless
- usually
- utility
- utilize
- utterly
8-letter words (27)
- ultimate
- umbrella
- unbiased
- uncommon
- underage
- underway
- uniforms
- uniquely
- universe
- unlawful
- unlikely
- unlocked
- unsigned
- unstable
- untitled
- unveiled
- unwanted
- upcoming
- updating
- upgraded
- upgrades
- uploaded
- upstairs
- upstream
- utensils
- utilized
- utilizes
9-letter words (26)
- ukrainian
- unanimous
- uncertain
- unchanged
- uncovered
- undefined
- underline
- undermine
- undertake
- underwear
- underwood
- uniformly
- uninsured
- universal
- unleashed
- unlimited
- unlocking
- unrelated
- unsecured
- unusually
- unwilling
- upgrading
- uploading
- usability
- utilities
- utilizing
10-letter words (27)
- ubiquitous
- ultimately
- ultrasonic
- ultrasound
- unabridged
- unanswered
- uncensored
- undercover
- undergoing
- underlined
- underlying
- underneath
- understand
- understood
- undertaken
- underwater
- underworld
- unemployed
- unexpected
- unfamiliar
- unfinished
- university
- unofficial
- unpleasant
- unresolved
- upholstery
- usefulness
11-letter words (16)
- ultraviolet
- unanimously
- unavailable
- uncertainty
- unconscious
- underground
- understands
- undertaking
- undoubtedly
- unfortunate
- unnecessary
- unpublished
- unsolicited
- unspecified
- unsupported
- utilization
12-letter words (12)
- unacceptable
- unauthorized
- unbelievable
- unclassified
- underwriting
- unemployment
- unidentified
- universities
- unreasonable
- unregistered
- unrestricted
- unsuccessful
13-letter words (9)
- uncategorized
- uncertainties
- uncomfortable
- undergraduate
- understanding
- unforgettable
- unfortunately
- unprecedented
- unpredictable
14-letter words (2)
- undergraduates
- understandable
When this list helps
- Fill a crossword answer whose first letter is already U
- Open a word game with a U tile on the board
- Build an alliteration or vocabulary list around U
Related word lists
Related tools
Words Starting With
Find every word that begins with a letter or prefix.
Open toolWord Finder
Search words by pattern, length, start, end and contained letters.
Open toolWord Pattern Finder
Match words against a letter pattern like c?t.
Open toolWord Unscrambler
Turn jumbled letters into every word you can make.
Open toolWords starting with another letter
Frequently asked questions
How many words start with U?
229 words in our 16,750-word English dictionary begin with U, and 37 of thems are 6 letters long. Larger unabridged dictionaries include more rare and technical entries.
What is the longest word starting with U in this list?
“understandable”, at 14 letters. The shortest are uh, um, un.
Back to Word Lists.