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English definition of “thank you”

thank you

exclamation     (informal thanks)
A1 used to tell someone that you are grateful because they have given you something or done something for you: That was a delicious lunch, thank you. "Here's your coffee." "Thank you very much (indeed)." Thank you for my birthday present.Polite expressionsRelieved and thankful said when you are answering a polite question or remark: "How are you?" "I'm fine, thank you." "You look very nice in that dress." "Thank you very much."Answering and responding A2 said to politely accept or refuse something that has been offered to you: "Would you like some more cake?" "Yes, I will have a small piece, thank you." "Do you need any help?" "No, thank you."Polite expressions said to show your disapproval of something: I don't want to hear that kind of language, thank you (very much).Disapproving and criticizingDamaging reputation Grammar:Please and thank youPlease and thank you are usually associated with politeness. We use them a lot in English.See moreGrammar:PleaseWe use please to make a request more polite:See moreGrammar:Thank you and thanksWe use expressions with thank you and thanks to respond to something politely and to show we are grateful for something. Thanks is more informal than thank you. We often add other words to make the response stronger:See more
(Definition of thank you exclamation from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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