sincerely

adverb

sin·​cere·​ly sin-ˈsir-lē How to pronounce sincerely (audio)
sən-
Synonyms of sincerelynext
: in a sincere or truthful way : with truth, genuineness, or straightforwardness
apologizing sincerely
I am sincerely sorry for your loss.
George Clooney, a pleasant man, tries sincerely to give some credibility to Kelvin, and if he doesn't earn our belief, at least he has our sympathy.Stanley Kauffman
The room was quiet until a student in the back of the room let out an enormous belch and said, not too sincerely, "Sorry."E. L. Konigsburg
often used as a complimentary close with or without yours
… Thank you for your attention to this matter. Sincerely, Robert Brown
Sincerely yours, John Smith
Yours sincerely, Jane Doe

Examples of sincerely in a Sentence

thanked them sincerely for their help
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
At that time, the other co-founders were sincerely questioning both Musk and Altman’s motivations for wanting to become OpenAI’s CEO. Ashley Belanger, ArsTechnica, 27 Apr. 2026 The Lebanese government sincerely wants to take control of the south and disarm and contain Hezbollah. Hussein Ibish, The Atlantic, 23 Apr. 2026 Still, the energy around physical media continues to surge in sincerely exciting new ways. Alison Foreman, IndieWire, 16 Apr. 2026 The risk of contaminating the aquifer is a long and sincerely held fear among critics like Leigh Ford, executive director of the Snake River Alliance, a nuclear watchdog. Mark Dee april 13, Idaho Statesman, 13 Apr. 2026 See All Example Sentences for sincerely

Word History

First Known Use

1560, in the meaning defined above

Time Traveler
The first known use of sincerely was in 1560

Browse Nearby Words

Cite this Entry

“Sincerely.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sincerely. Accessed 1 May. 2026.

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