Find Synonyms

unthinkable Synonyms

Another word for unthinkable

Choosing another word for unthinkable that fits your sentence is easier when synonyms and similar words are paired with an exact adjective definition and ranked by match strength.
JUMP TO:

• adjective (Context 1)

So unlikely, shocking, or morally unacceptable as to be impossible to consider seriously.

Usage Example

"Abandoning the research project after years of dedicated work was completely inconceivable to the team."

Strongest
inconceivable
unimaginable
Strong
unbelievable
out of the question
unheard-of
implausible
preposterous
impossible

Opposites of unthinkable

The opposite of unthinkable shifts depending on context. Common opposites include:

thinkable
conceivable
imaginable
acceptable
plausible
probable
See all opposites of unthinkable

• Nearby Words

unthankful
unthaw
unthawed
unthinkable
unthinkably
unthinking
unthinkingly

Cite this Entry

Wordmom. (2026). Synonyms for Unthinkable. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/unthinkable
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.