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  • thank-you
    thank-you
    adjective
    expressing one's gratitude or thanks.
  • thank you
    thank you
    interjection
    a conventional expression of gratitude
Synonyms

thank-you

American  
[thangk-yoo] / ˈθæŋkˌju /

adjective

  1. expressing one's gratitude or thanks.

    a thank-you note.


noun

thank-yous plural
  1. an expression of thanks, as by saying “thank you”.

    I never got so much as a thank-you for helping him.

thank you British  

interjection

  1. a conventional expression of gratitude

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of thank-you

1785–95 thank-you for def. 2; noun and adj. use of verb phrase thank you

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Maybe Mr. Pelley should receive a thank-you note from the Ellison family, investors Larry and David, who’ve been trying to steer the deal through.

From The Wall Street Journal • Jun. 19, 2026

So I wrote her a thank-you for saying yes/stalker-level fan email.

From Los Angeles Times • May 28, 2026

"It's been such a big influx of messages and comments, but if I could say thank you to everyone, then this is my thank-you."

From BBC • May 20, 2026

Hilton may well be sending his opponent a thank-you note and a bottle of bubbly for that performance.

From Los Angeles Times • May 6, 2026

Even more confusing was his reaction to my thank-you for the bracelet.

From "Schooled" by Gordon Korman

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