Thesaurus.com
Dictionary.com
Showing results for sincere. Search instead for uncere.
Definitions

sincere

[sin-seer] / sɪnˈsɪər /
ADJECTIVE
straightforward, honest
Synonyms
STRONGEST
candid earnest for real forthright genuine heartfelt outspoken real serious true trustworthy
WEAK
24-carat aboveboard actual artless bona fide dead-level dear devout faithful frank guileless honest-to-God honest-to-goodness like it is meant natural no-fooling no-nonsense on the level on the line on the up and up open plain pretensionless regular righteous saintly square sure-enough true-blue unaffected undesigning undissembled unfeigned unpretentious up-front wholehearted
Antonyms
STRONGEST
counterfeit deceitful devious dishonest false flippant insincere invalid untrustworthy
WEAK
tricky

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.

Altman isn’t the first billionaire who might do a big media deal for reasons other than sincere interest in media.

From Slate • Apr. 7, 2026

The deployments have made Iranian diplomatic envoys even more dubious that American peace efforts are sincere.

From Los Angeles Times • Mar. 30, 2026

Raudnitz said: "I'm instructed now in the clearest of clear terms the defendant would like to express through me his sincere apologies."

From BBC • Mar. 24, 2026

That’s what Auf der Maur’s roommate told her the night she came home after thinking that she had offered a sincere but thoughtful declination to the suggestion that she become the bass player in Hole.

From Salon • Mar. 24, 2026

Simple errors can be fixed with an eraser; more complicated blunders require an apology and a sincere effort to make things right.

From "The Hidden Gallery" by Maryrose Wood