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.

Speaking after sentencing, Assistant Chief Constable Andy Hill said he wished to express sincere condolences to the Pinkney family on behalf of the force.

From BBC • Apr. 7, 2026

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

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

Rob Reiner was clear and sincere in his beliefs, put his money where his mouth was and made art designed to connect rather than divide us.

From Los Angeles Times • Mar. 23, 2026

So I didn’t even protest out loud; I just squared my shoulders, looked Mama in the eye, and said in my most sincere voice, “I live to serve.”

From Each Little Bird That Sings by Deborah Wiles

Vocabulary lists containing sincere

The SAT: Words to Capture Tone, List 2

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ACT Reading Test: Words to Capture Tone, List 1

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The New SAT: Words to Capture Tone

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!