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.

“Power Ballad” postures like a sincere drama but has the set pieces of a giant slapstick farce.

From Los Angeles Times • May 28, 2026

"I also take this opportunity to express my sincere gratitude to the government and people of India, the United States and all our supporters," he said.

From Barron's • May 27, 2026

Even so, “The Late Show with Stephen Colbert” was and is sincere and wholesome, even moving at times.

From Salon • May 21, 2026

In a statement, Henley College said its "thoughts and sincere condolences are with the student's family and friends at this extremely difficult time".

From BBC • May 15, 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

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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!