Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “idealism”

idealism

noun [U]     /aɪˈdɪəlɪzəm/
the belief that your ideals can be achieved, often when this does not seem likely to othersOpinions, beliefs and points of viewPhilosophy
idealist noun [C] a person who believes that it is possible to achieve your idealsOpinions, beliefs and points of view idealistic     /aɪˌdɪəˈlɪstɪk/ adjective
(Definition of idealism noun from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “idealism” in other dictionaries

Word of the Day

friendship

a situation in which two people are friends

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