Simple Definition of idealism

from our Learner's Dictionary

idealism

noun

: the attitude of a person who believes that it is possible to live according to very high standards of behavior and honesty
youthful idealism
political/religious/romantic idealism

Cite this Entry

“Idealism.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/idealism. Accessed 15 Jun. 2026.

More from Merriam-Webster