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

Yet, while organizational leaders may sincerely pursue tangible improvements across the DEI spectrum, these efforts often turn up short, regrettably failing to move the needle. —Charlotte Sweeney Obe, Forbes, 22 Jan. 2025

Sting sincerely apologizes for any inconvenience and extends his gratitude to the fans for their understanding. —Christina Dugan Ramirez, Fox News, 22 Jan. 2025

What’s more, Tyler—perhaps sarcastically, perhaps sincerely—suggests that Chloe, too, is abusing drugs, potentially endangering his competitive focus, to say nothing of herself. —Richard Brody, The New Yorker, 17 Jan. 2025

Yet Lynch also sincerely believed in the goodness of heroes like Kyle MacLachlan’s Special Agent Dale Cooper, and Cooper’s easy rapport with residents of the titular small town reflected a certain optimism. —Alison Herman, Variety, 16 Jan. 2025

Word History

First Known Use

1560, in the meaning defined above