Search Dictionary
Definition of unimaginable

unimaginable

/ˌʌnɪˈmædʒɪnəbəl/
un · im · ag · in · a · ble
Adverb:unimaginably
JUMP TO:

unimaginable Lexical Profile

unimaginable Game Scores & Validity

• adjective

1

Difficult or impossible to imagine, comprehend, or conceive of, often because of extreme size, degree, or complexity.

Example

"Modern smartphones possess computing power that would have been unimaginable just a few decades ago."

Synonyms
View all synonyms for unimaginable
Antonyms
View all antonyms for unimaginable

• Rhymes for unimaginable

• Nearby Words

unilluminated
unilluminating
unillustrated
unimaginable
unimaginably
unimaginative
unimaginatively

Word Origin & Etymology

First recorded in the late 14th century, combining the Old English negative prefix 'un-' with 'imaginable', which derives from Old French and ultimately from the Latin verb 'imaginari' (to form a mental picture).

Cite this Entry

Wordmom. (2026). Definition of Unimaginable. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/unimaginable
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
DictionarySynonymsAntonymsWords
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.