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Showing results for unfounded. Search instead for unfunde.
Definitions

unfounded

[uhn-foun-did] / ʌnˈfaʊn dɪd /
ADJECTIVE
not based on fact
Synonyms
STRONGEST
baseless deceptive fabricated false gratuitous groundless illogical misleading spurious unjustified unproven unsubstantiated untrue untruthful unwarranted
WEAK
fallacious foundationless idle mendacious off-base trumped-up uncalled-for unreal vain without basis without foundation
Antonyms
STRONGEST
called-for correct genuine honest justified real reasonable right true truthful warranted
WEAK
founded proven substantiated supported

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Having overturned a 2-0 deficit to stun Manchester City at the same stage last season, that confidence is not unfounded.

From BBC • Apr. 1, 2026

Election experts, voting rights advocates, local elections officials and other California leaders have all dismissed those claims as unfounded and inaccurate.

From Los Angeles Times • Mar. 31, 2026

Some criticisms of the accelerated approval pathway aren’t unfounded.

From The Wall Street Journal • Mar. 3, 2026

The page focuses on science communication and aims to distinguish genuine risks from unfounded speculation about meteorites and asteroids.

From Science Daily • Mar. 1, 2026

“It is not in our programming to make unfounded guesses based on scenarios where we do not yet have adequate data,” Journey answers.

From "A Rover's Story" by Jasmine Warga