exclamation , noun
■ exclamation
—see also thanks
1.
thank you (for sth / for doing sth) used to show that you are grateful to sb for sth they have done :
Thank you for your letter.
Thank you very much for sending the photos.
2.
a polite way of accepting sth that sb has offered you :
'Would you like some help with that?' 'Oh, thank you.'
3.
no thank you a polite way of refusing sth that sb has offered you :
'Would you like some more cake?' 'No thank you.'
4.
used at the end of a sentence to tell sb firmly that you do not need their help or advice :
'Shall I do that?' 'I can do it myself, thank you.'
■ noun
[ usually sing. ] thank you (to sb) (for sth) an act, a gift, a comment, etc. intended to thank sb for sth they have done :
The actor sent a big thank you to all his fans for their letters of support.
She took the money without so much as a thank you.
a thank-you letter