Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “mental”

mental

adjective uk   /ˈmen.təl/ us    /-t̬əl/
B2 [before noun] relating to the mind, or involving the process of thinking: The family has a history of mental disorder. A doctor was asked about the mental state of the prisoner. She had a mental picture (= a picture in her mind) of how the house would look when they finished decorating it. Logic and reasonMind and personalityScience of psychology and psychoanalysis UK slang crazyStupid and sillyOf unsound mind
(Definition of mental from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of mental?
Browse related topics

You are looking at an entry to do with Mind and personality, but you might be interested in these topics from the Thinking, dreaming and ideas topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “mental” in other dictionaries

Word of the Day

knack

a skill or an ability to do something easily and well

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