sin·​cere | \sin-ˈsir, sən-\
sincerer; sincerest

Definition of sincere 

1a : free of dissimulation : honest a sincere interest

b : free from adulteration : pure a sincere doctrine sincere wine

2 : marked by genuineness : true

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Other Words from sincere

sincerely adverb
sincereness noun

Synonyms & Antonyms for sincere


heartfelt, unfeigned


affected, artificial, false, feigned, insincere

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Choose the Right Synonym for sincere

sincere, wholehearted, heartfelt, hearty, unfeigned mean genuine in feeling. sincere stresses absence of hypocrisy, feigning, or any falsifying embellishment or exaggeration. a sincere apology wholehearted suggests sincerity and earnest devotion without reservation or misgiving. promised our wholehearted support heartfelt suggests depth of genuine feeling outwardly expressed. expresses our heartfelt gratitude hearty suggests honesty, warmth, and exuberance in displaying feeling. received a hearty welcome unfeigned stresses spontaneity and absence of pretense. her unfeigned delight at receiving the award

Examples of sincere in a Sentence

He sounded sincere in his promises. She seemed sincere in her commitment to finish school. She has a sincere interest in painting. He showed a sincere concern for her health. He made a sincere attempt to quit smoking. Please accept our sincere thanks.
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Recent Examples on the Web

Our team would like to extend sincere thanks to all of our fans and customers. Avery Matera, Teen Vogue, "People React To Ivanka Trump’s Clothing Line Closing," 25 July 2018 Our sincere condolences go out to Governor Brown and the First Lady and to everyone who knew and loved Nancy. Alexei Koseff, sacbee, "Colleagues and friends remember Nancy McFadden, late chief of staff to Jerry Brown | The Sacramento Bee," 23 Mar. 2018 Any advice? -- Grievin' Grandpa Dear Grandpa: My sincere condolences to all of you. Amy Dickinson,, "Grieving parent wonders how to respond," 19 Feb. 2018 Grievin’ Grandpa Dear Grandpa: My sincere condolences to all of you. Amy Dickinson, Detroit Free Press, "Ask Amy: Grieving parent wonders how to respond," 19 Feb. 2018 Our sincere condolences, thoughts and prayers go out to the family and many friends of Rasual and Leah. Andrew Albert,, "Former La Salle, Roman Catholic star Rasual Butler killed in car crash," 31 Jan. 2018 Our sincere condolences, thoughts and prayers go out to the family and many friends of Rasual and Leah. Phil Mccausland, NBC News, "NBA player Rasual Butler and R&B singer Leah LaBelle killed in car crash," 31 Jan. 2018 The staff are sincere; the interiors, a mixture of hague blue walls, teal and grey velvet upholstery, all doubly highlighted through a clever use of mirrors. Carmen Rosy Hall, Vogue, "These Are the World’s Sexiest Bedrooms, According to Two Globe-Trotters Who Would Know," 14 Nov. 2018 In meetings this spring at the pope’s residence, Mr. Cruz said the pontiff was sincere in wanting to tackle the crisis. Ryan Dube, WSJ, "Pope Francis’ Handling of Sex-Abuse Cases Fractures a Catholic Stronghold," 19 Oct. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sincere.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sincere

1533, in the meaning defined at sense 1a

History and Etymology for sincere

Middle French, from Latin sincerus whole, pure, genuine, probably from sem- one + -cerus (akin to Latin crescere to grow) — more at same, crescent

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Dictionary Entries near sincere







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Last Updated

7 Dec 2018

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Time Traveler for sincere

The first known use of sincere was in 1533

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More Definitions for sincere


sin·​cere | \sin-ˈsir \
sincerer; sincerest

Kids Definition of sincere

1 : having or showing honesty : straightforward a sincere person

2 : being what it seems to be : genuine sincere good wishes

Other Words from sincere

sincerely adverb

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More from Merriam-Webster on sincere

Thesaurus: All synonyms and antonyms for sincere

Spanish Central: Translation of sincere

Nglish: Translation of sincere for Spanish Speakers

Britannica English: Translation of sincere for Arabic Speakers

Comments on sincere

What made you want to look up sincere? Please tell us where you read or heard it (including the quote, if possible).


a soft lustrous wool fabric with mohair

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