Dictionary definition · peak
noun
- the most extreme possible amount or value"voltage peak"
- the period of greatest prosperity or productivity
- the highest level or degree attainable; the highest stage of development"his landscapes were deemed the acme of beauty"
- the top or extreme point of something (usually a mountain or hill)"the view from the peak was magnificent"
- a V shape"the cannibal's teeth were filed to sharp points"
- the highest point (of something)"at the peak of the pyramid"
- a brim that projects to the front to shade the eyes"he pulled down the bill of his cap and trudged ahead"
verb
- to reach the highest point; attain maximum intensity, activity"That wild, speculative spirit peaked in 1929"
Source: Open English WordNet (CC BY 4.0).