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

past participle

the form of a verb, usually made by adding -ed, used in some grammatical structures such as the passive and the present perfect

Word of the Day

Euphemisms (Words used to Avoid Offending People)

by Kate Woodford,
March 04, 2015
​​​ We recently looked at the language that we use to describe lies and lying. One area of lying that we considered was ‘being slightly dishonest, or not speaking the complete truth’. One reason for not speaking the complete truth is to avoid saying something that might upset or offend people. Words and

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More