Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “plateau”

plateau

noun [C] uk   /ˈplæt.əʊ/ us    /plætˈoʊ/ (plural UK plateaux   /-z/   or US also plateaus)

plateau noun [C] (FLAT LAND)

a large flat area of land that is high above sea levelHills and mountains

plateau noun [C] (NO CHANGE)

a period during which there are no large changes: The US death rate reached a plateau in the 1960s, before declining suddenly.Pauses and interludes

plateau

verb [I] uk   /ˈplæt.əʊ/ us    /plætˈoʊ/
to reach a particular level and then stay the same: I'd been losing about a pound a week on my diet, but recently I've plateaued and haven't lost an ounce. The economic slowdown has caused our sales to plateau.Keeping and staying the sameNot able to be changed
(Definition of plateau from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of plateau?
Add Cambridge dictionaries to your browser to your website

Definitions of “plateau” in other dictionaries

Word of the Day

nip

to press something quickly and quite hard between two objects, especially sharp objects such as teeth or nails

Word of the Day

Blog

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