A grateful feeling or acknowledgment of a benefit, favor, or the like, expressed by words or otherwise to return a borrowed book with thanks.
A2 to express to someone that you are pleased about or are grateful for something that they have done he thanked me for taking him home.
K ju (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.
Thank definition of thank by The Free Dictionary
Say thank you to, express gratitude to, show gratitude to, show your appreciation to i thanked them for their long and loyal service. Collins thesaurus of the english language complete and unabridged 2nd edition.
thank (third-person singular simple present thanks, present participle thanking, simple past and past participle thanked) (transitive) to express gratitude or appreciation toward.