Definition of thank
1 : to express gratitude to thanked her for the present —used in the phrase thank you usually without a subject to politely express gratitude thank you for your consideration or sometimes to emphasize a preceding statement especially by implying that it is not subject to question likes her job just fine, thank you —used in such phrases as thank God, thank goodness usually without a subject to express gratitude or more often only the speaker's or writer's pleasure or satisfaction in something
2 : to hold responsible had only himself to thank for his loss
Examples of thank in a Sentence
I want to thank everyone who helped today.
There's no need to thank me. Anyone would have done the same.
Origin and Etymology of thank
Middle English, from Old English thancian; akin to Old English thanc gratitude — more at thanks
First Known Use: before 12th century
THANK Defined for English Language Learners
Definition of thank for English Language Learners
: to tell (someone) that you are grateful for something that he or she has done or given
THANK Defined for Kids
Definition of thank for Students
1 : to express gratitude to
2 : to hold responsible I can thank myself for my problem.
Seen and Heard
What made you want to look up thank? Please tell us where you read or heard it (including the quote, if possible).