Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “cost”


verb [T] (GIVE OR LOSE SOMETHING)   /kɔst/ (past tense and past participle cost)
to be forced to give or lose something in order to obtain something: If you give him a chance to hit the ball , it could cost you the ballgame .
(Definition of cost verb (GIVE OR LOSE SOMETHING) from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of cost

Definitions of “cost” in other dictionaries

Word of the Day


a skilled and trained cook who works in a hotel or restaurant, especially the most important cook

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More