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.

Our strong and sincere hope is that the banks in which we invest will adopt a framework consistent with our approach.

From Barron's • Apr. 16, 2026

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

Evolutionary theory is no longer heretical, Galileo has been issued a hall pass to heaven, and quite a few sincere if entirely inadequate apologies have been issued, mostly to people long dead.

From Salon • Apr. 5, 2026

Gallup was kind and sincere, and she’d had an education that Elizebeth could only envy.

From "The Woman All Spies Fear" by Amy Butler Greenfield

Vocabulary lists containing sincere

The SAT: Words to Capture Tone, List 2

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

ACT Reading Test: Words to Capture Tone, List 1

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

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!