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.

And yet in interviews they came across as sweet and sincere.

From The Wall Street Journal • Apr. 27, 2026

"Pakistan remains committed to serve as an honest and sincere facilitator - working tirelessly to advance durable peace and lasting stability in the region," Sharif wrote on X.

From Barron's • Apr. 26, 2026

My sincere condolences to his family, and everyone who loved him.

From BBC • Apr. 20, 2026

As journalist Jane Coaston argued on the Hysteria podcast, birth rate panic is rarely sincere.

From Salon • Apr. 20, 2026

His manner as he bestowed a tip suggested generous good-nature, a wish to give pleasure, based on physical well-being and sincere kindliness of heart.

From "Blink" by Malcolm Gladwell

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!