sincerely

adverb

sin·​cere·​ly sin-ˈsir-lē 

sən-

: 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

Synonyms

• artlessly
• guilelessly
• ingenuously
• innocently
• naively
• naïvely
• naturally
• unaffectedly
• unfeignedly
• unpretentiously

Examples of sincerely in a Sentence

thanked them sincerely for their help

Recent Examples on the Web

There’s no governing body doing a universal flex test (although that would be sincerely appreciated). —Drew Zieff, Outside Online, 11 Oct. 2024

Speaking totally sincerely, it wasn’t even aimed at anyone. —Philip Sherburne, Pitchfork, 25 Oct. 2024

But Francis wanted the actors to sincerely fear falling, so there were no wires on any of the actors. —Bill Desowitz, IndieWire, 4 Oct. 2024

The Mullins family, said Scales, wanted to always treat the museum sincerely, with reverence, and also the slightest eye roll. —Christopher Borrelli, Chicago Tribune, 27 Sep. 2024

Word History

First Known Use

1560, in the meaning defined above