thank
Americanverb (used with object)
noun
interjection
idioms
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no thanks to, (used to express annoyance) not owing to.
I caught my flight after all, no thanks to you.
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thanks to, (used to express gratitude or blame) because of; owing to.
Thanks to good organization and hard work, the benefit concert was a great success.
The case went poorly thanks to the lawyer's incompetence.
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thank God, (used as an interjection to express relief, thankfulness, etc.) Also thank goodness, thank heaven
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have oneself to thank, to be personally to blame; have the responsibility.
The citizens have only themselves to thank for corruption in government.
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thank you, (used as an interjection to express gratitude, appreciation, or acknowledgment, as for a gift, favor, service, or courtesy).
verb
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to convey feelings of gratitude to
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to hold responsible
he has his creditors to thank for his bankruptcy
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used in exclamations of relief
thank goodness
thank God
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used ironically to intensify a command, request, etc
I'll thank you to mind your own business
Other Word Forms
Etymology
Origin of thank
First recorded before 900; Middle English (noun) “favorable thought, goodwill, gratitude,” (in singular and plural) expression of thanks; Old English thanc (in singular) expression of thanks, originally, “thought, thoughtfulness”; akin to think 1
Explanation
When you thank someone, you tell them how grateful or appreciative you are. You'll definitely thank your friends if they get together and throw you a fabulous surprise party for your birthday. If you appreciate something, like friendly, quick service at a restaurant or a stranger's generosity, you'll want to say, "Thanks!" Saying "thanks" or "thank you" is just one way to thank someone: you can also write a grateful note, leave a tip, or bake them cupcakes. People sometimes say, "Thank goodness!" when they're relieved that some disaster was averted.
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.
Your wallet and overall well-being will thank you.
From Salon • May 24, 2026
"From the deepest part of our hearts, thank you, and we'll see you in the stars," the team signed off, before listing the content fans can expect from the final update, Monument of Triumph.
From BBC • May 22, 2026
Birmingham can thank Carlos Acuna for putting together a sophomore season to remember.
From Los Angeles Times • May 22, 2026
And if that painting is completed in the shadow of the pyramids, he knows exactly who to thank.
From BBC • May 22, 2026
“I wanted to thank you,” I told him.
From "The Brightwood Code" by Monica Hesse
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.