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

lamb

a young sheep, or the flesh of a young sheep eaten as meat

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

crossfit noun

March 23, 2015
high-intensity strength training Two women in strappy dresses discussed how much weight they could snatch

Read More