Meaning & use
disillusion
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To free someone from a mistaken belief, typically leaving them disappointed.
See it in a sentence
Working behind the scenes at the theater disillusioned her about the glamour of showbiz.
The scandal disillusioned many voters who had trusted the senator.
A note on using this word
Also used as a noun ('a sense of disillusion') to describe the resulting feeling of disappointment itself.
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