Search Dictionary
Definition of uncertain

uncertain

/ʌnˈsɝː.tən/
un · cer · tain
Adverb:uncertainly
JUMP TO:

uncertain Lexical Profile

uncertain Game Scores & Validity

• adjective

1

Not able to be relied on; not definitely known, decided, or predictable.

Example

"The economic outlook for the coming year remains uncertain due to fluctuating market conditions."

2

Feeling doubt or lack of confidence about something; not completely sure or convinced.

Example

"She was uncertain about whether to accept the job offer in another city."

3

Likely to change suddenly or erratically; changeable and unstable (especially of weather or light).

Example

"The hikers decided to turn back because of the uncertain mountain weather."

Synonyms
View all synonyms for uncertain
Antonyms
View all antonyms for uncertain

• Rhymes for uncertain

• Nearby Words

uncensored
unceremonious
unceremoniously
uncertain
uncertainly
uncertainty
uncertified

Word Origin & Etymology

First recorded in Middle English around the 14th century, formed from the Old English prefix 'un-' (not) combined with 'certain', which entered English via Old French from the Latin 'certus' (determined, resolved, or sure).

Cite this Entry

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