Irregular Verbs That Start with UN

Explore 94 verified English irregular verbs starting with UN, including Understand, Undergo, Undertake, Undo, Underlie, Unwind and Undercut. Browse these non-standard verbs with unique past tense and participle forms by length below, or check past simple and past participle forms in our verb grammar guide.

Refine list...
JUMP:
Sort:
Group:
Case:
View:
JUMP TO:
Select any word to view available definitions & photosSelect any word for details
Starts with UNB9 words
unbound
unbind
unbent
unbend
unbuild
unbear
unbe
unbespeak
unbeget
Starts with UNC3 words
unclothed
unclothe
uncling
Starts with UND24 words
understand
undergo
undertake
undo
underlie
undercut
underlay
underpaid
underwriting
underwrite
underpay
undersell
underfed
underdone
underspend
underbid
undergird
undershoot
undereat
undraw
underfeed
underdo
underrun
underbuild
Starts with UNF4 words
unfrozen
unfreeze
unforbid
unfeed
Starts with UNG3 words
unget
ungird
ungild
Starts with UNH
1 words
unhang
Starts with UNK
1 words
unknit
Starts with UNL4 words
unlearn
unlaid
unlade
unlay
Starts with UNM
1 words
unmake
Starts with UNP
2 words
unpen
unpay
Starts with UNR
1 words
unreeve
Starts with UNS15 words
unstuck
unsee
unset
unsling
unstick
unstrung
unsay
unstring
unspeak
unshoe
unshut
unsew
unsell
unswear
unshoot
Starts with UNT3 words
unthink
unteach
untread
Starts with UNW4 words
unwind
unweave
unwoven
unwrite

•Browse Irregular Verbs by Letter (A to Z)

Select a starting letter to browse irregular verbs
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWordsVocabulary HubPositive WordsNegative Words
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.