Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “peak”

See all translations

peak

noun [C] uk   /piːk/ us  

peak noun [C] (HIGHEST POINT)

B2 the highest, strongest, or best point, value, or level of skill: Holiday flights reach a peak during August. Beat the egg whites until they are stiff enough to form firm peaks. We saw a victory by an athlete at the very peak of her fitness and career.
More examples

peak noun [C] (MOUNTAIN)

B1 the pointed top of a mountain, or the mountain itself: It is one of the most difficult peaks to climb.
More examples

peak noun [C] (HAT PART)

mainly UK ( US usually visor) the flat curved part of a cap that goes above the eyes of the person who is wearing it

peak

adjective [before noun] uk   /piːk/ us  
Peak times are the times when most people are using or doing something: Traffic congestion is really bad at peak periods (= when it is busiest). It is most expensive to advertise at peak viewing times (= those with the most people watching). Don't go there in the peak (= busiest) season - it'll be hot and crowded. Peak levels or rates are when they are at their highest: peak rate electricity

peak

verb [I] uk   /piːk/ us  
to reach the highest, strongest, or best point, value, or level of skill: Official figures show that unemployment peaked in November.
(Definition of peak from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of peak?
Add Cambridge dictionaries to your browser to your website

Definitions of “peak” in other dictionaries

Word of the Day

be in/out of luck

to be able/unable to have or do what you want

Word of the Day

A certain je ne sais quoi: French words and phrases used in English

by Liz Walter,
January 21, 2015
It is an odd irony that the more sophisticated your use of English is, the more likely you are to use French words and phrases. Or, to be more accurate, ones you know to be French – words such as ballet, au pair, abattoir, fiancé, café, and restaurant are so entrenched in

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More