Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “idea”

See all translations

idea

noun
 
 
/aɪˈdɪə/
SUGGESTION [C] A2 a suggestion or plan: "Why don't we ask George?" "That's a good idea." [+ for + doing sth] Stevens explained his ideas for improving production. [+ to do sth] It was Kate's idea to hire a car.Ideas, concepts and theoriesPhilosophy
THOUGHT [U, no plural] B2 an understanding, thought, or picture in your mind: [+ of + doing sth] Clive soon got used to the idea of having children around the house again. [+ (that)] I don't want them to get the idea that we're not interested.Ideas, concepts and theoriesPhilosophy
have no idea B1 to not know: Beth had no idea where he'd gone.Understanding and comprehending
OPINION [C] B1 an opinion or belief: My husband and I have very different ideas about school discipline.PhilosophyOpinions, beliefs and points of view
AIM [no plural] the aim or purpose of something: The idea is to give local people a chance to voice their opinions. →  See also not have the foggiest (idea) (foggy) Goals and purposes
(Definition of idea from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “idea” in other dictionaries

Word of the Day

luck out

to be very lucky

Word of the Day

Think long and hard; the language of decisions

by Liz Walter,
January 28, 2015
One of the best ways (perhaps the best way) to improve your English is to learn how words go together in phrases, idioms, or other patterns such as verb/noun or adjective/noun pairs (often called ‘collocations’). This blog looks at some useful phrases and collocations connected with the subject of decisions, something we

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