idealism

noun

ide·​al·​ism ī-ˈdē-(ə-)ˌliz-əm How to pronounce idealism (audio)
ˈī-(ˌ)dē-
1
a
: the practice of forming ideals or living under their influence
b
: something that is idealized
2
a(1)
: a theory that ultimate reality lies in a realm transcending phenomena
(2)
: a theory that the essential nature of reality lies in consciousness or reason
b(1)
: a theory that only the perceptible is real
(2)
: a theory that only mental states or entities are knowable
3
: literary or artistic theory or practice that affirms the preeminent value of imagination as compared with faithful copying of nature compare realism

Examples of idealism in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
And its yearning idealism is a good antidote to the current prevailing cynicism. ArsTechnica, 2 Apr. 2025 For all its idealism and command of several languages, Kraftwerk recognized Atomic Age inventions had their own negatives. Bob Gendron, Chicago Tribune, 30 Mar. 2025 The bedrock of net zero policy rests economic pragmatism, not idealism. David Carlin, Forbes, 24 Mar. 2025 Neptune will eventually enter this area of your chart, adding a sense of idealism and receptivity to your professional life. Valerie Mesa, People.com, 20 Mar. 2025 See All Example Sentences for idealism

Word History

First Known Use

circa 1743, in the meaning defined at sense 2a(1)

Time Traveler
The first known use of idealism was circa 1743

Browse Nearby Words

Cite this Entry

“Idealism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/idealism. Accessed 21 Apr. 2025.

Kids Definition

idealism

noun
ide·​al·​ism ī-ˈdē-(ə-)ˌliz-əm How to pronounce idealism (audio)
ˈī-(ˌ)dē-
: the practice of forming ideals or living under their influence
idealist
-(ə-)ləst
noun
idealistic
(ˌ)ī-ˌdē-(ə-)ˈlis-tik
ˌī-dē-
adjective
idealistically
-ti-k(ə-)lē
adverb
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!