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Definition of unfounded
unfounded
/ʌnˈfaʊndɪd/
un · found · ed
Adverb:unfoundedly
unfounded Lexical Profile
CEFR
C1
Grade
9
Tier
2
Usage
Top 10k
unfounded Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Having no basis in fact, truth, or reality; not supported by valid evidence or reason.
Example
"The independent audit proved that the rumors of financial mismanagement were completely unfounded."
Synonyms
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Word Origin & Etymology
Formed in Middle English from the negative prefix 'un-' and 'founded', the past participle of 'found' (from Old French 'fonder' and Latin 'fundare', meaning to lay the bottom or foundation of something).
Cite this Entry
Wordmom. (2026). Definition of Unfounded. In Wordmom Dictionary. Retrieved Nov 4, 2026, from https://wordmom.com/dictionary/unfounded