Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “peak”


verb [I]     /piːk/
to reach the highest , strongest , or best point , value , or level of skill : Official figures show that unemployment peaked in November .Higher and lower points of achievementSuccess and achievementsFailures
(Definition of peak verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of peak

Definitions of “peak” in other dictionaries

Word of the Day


the art and knowledge involved in preparing and eating good food

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