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.

The cruise operator added: "We are providing every support to the deceased's friends and family and extend our most sincere condolences to them at this difficult time."

From BBC • May 13, 2026

“The company will continue its efforts to prevent the worst-case scenario through sincere dialogue until the very end,” Samsung said.

From The Wall Street Journal • May 13, 2026

The need to come together across the political divide to find common solutions to shared concerns depends primarily on a sincere desire for real dialogue.

From Salon • May 12, 2026

Blasting from my car speaker, Dr. Becky sounds sincere to the point of tearful.

From Slate • May 10, 2026

She was old, of course, but she didn’t have warts or green teeth and her smile was sincere and inviting.

From "Rump: The (Fairly) True Story of Rumpelstilskin" by Liesl Shurtliff

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!