to tell someone that you are grateful for something they did, gave you, or said
Thank your brother for the gift.
I thanked the nurse for helping me.
Use thank you or thanks to say it directly to someone; use thank as in I thanked Maria.
Common phrases & grammar
thank someone sincerely · thank someone publicly · thank everyone · a heartfelt thank-you
thank + someone + for + something
thank + someone + for + doing something