sin·​cere | \ sin-ˈsir How to pronounce sincere (audio) , 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

Keep scrolling for more

Other Words from sincere

sincereness noun

Synonyms & Antonyms for sincere



Visit the Thesaurus for More 

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.
See More
Recent Examples on the Web That’s no excuse if a company is sincere about its 2050 commitments. Robert G. Eccles, Forbes, "Unilever’s Climate Transition Action Plan: Giving Investors A Say On Climate Targets Progress," 22 Mar. 2021 That was a priority, and many coaches made similar promises, but Anthony felt Malzahn was one of the few who was sincere. Giana Han, al, "Road to the Pros: How Anthony Schwartz became ‘Flash’," 13 Apr. 2021 His regret, and disappointment, regarding the sins of the medium and its practitioners is sincere but so are his admiration and enthusiasm for their work. Washington Post, "‘A Light in the Dark’ is a love letter to the directors, personal flaws and all," 12 Apr. 2021 Though some teenagers might have dismissed Durant’s offer as a celebrity just trying to be nice, Wiseman could see that the perennial All-Star was being sincere. Connor Letourneau, San Francisco Chronicle, "How Kevin Durant became one of Warriors rookie James Wiseman's trusted mentors," 6 Apr. 2021 Positive employee experiences drive positive customer experiences, as customers know when a company is not being sincere. William Niles, Forbes, "What Makes Your Brand A Great One? (Hint: It's The People)," 5 Apr. 2021 This tapestry of the people who went along the ride with Adam, and the meaning of that experience was very real for them—even if some of Adam's pronouncements ended up not being sincere. Lauren Puckett, Town & Country, "Hulu's WeWork Doc Director Jed Rothstein on the Mythology and Tragedy of the Unicorn's Downfall," 4 Apr. 2021 The award is presented to a nominee who is sincere about helping the community, has an exceptional track record of continued, unselfish giving and enjoys volunteering to help others towards making their communities better places to live., "Community News For The Farmington Valley Edition," 2 Apr. 2021 Hall’s love of beer was sincere, formed during European business trips during his first career. Josh Noel,, "Goose Island sale 10 years later: Anheuser-Busch got what it needed from the deal, but what’s left for Chicago beer drinkers is more complicated.," 27 Mar. 2021

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.

See More

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

Keep scrolling for more

Learn More about sincere

Time Traveler for sincere

Time Traveler

The first known use of sincere was in 1533

See more words from the same year

Statistics for sincere

Last Updated

29 Apr 2021

Cite this Entry

“Sincere.” Dictionary, Merriam-Webster, Accessed 8 May. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for sincere


sin·​cere | \ sin-ˈsir How to pronounce sincere (audio) \
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

Keep scrolling for more

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).


Test Your Vocabulary

Star Wars Words Quiz

  • cu jedi training
  • The bounty portion of bounty hunters (such as Boba Fett) comes from a Latin word meaning
Spell It

Can you spell these 10 commonly misspelled words?

 AlphaBear 2

Spell words. Make bears.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!