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Definition of disillusion
disillusion
/ˌdɪsɪˈluːʒən/
dis · il · lu · sion
Plural:disillusions
•Adjective:disillusioned
•Past Simple:disillusioned
•Past Participle:disillusioned
•Present Participle:disillusioning
disillusion Lexical Profile
CEFR
C1
Grade
9
Tier
2
Usage
Top 10k
Syllables
4
disillusion Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• verb
1
To cause someone to realize that a belief, ideal, or institution is false or less admirable than previously thought; to free from an illusion.
Example
"The harsh realities of the corporate world quickly disillusioned the idealistic young graduate."
Synonyms
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View all antonyms for disillusion• noun
1
A feeling of disappointment resulting from the discovery that something is not as good, honest, or admirable as one had believed.
Example
"A sense of deep disillusion settled over the volunteers when they saw how the charity's funds were actually managed."
Synonyms
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View all antonyms for disillusion• Rhymes for disillusion
• Nearby Words
Word Origin & Etymology
Coined in the late 18th century by combining the privative prefix 'dis-' with 'illusion', which traces back through Old French to the Latin 'illusio' (a mocking or deceit), from 'illudere' (to mock or play with).
Cite this Entry
Wordmom. (2026). Definition of Disillusion. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/disillusion