Meaning & use
illusion
A false idea or belief, or something that appears real but is not.
See it in a sentence
The mirror trick created the illusion that the room was twice its actual size.
He clung to the illusion that the failing business would somehow recover.
A note on using this word
Illusion usually involves being misled by appearances, while delusion suggests a false belief held despite clear evidence.
Words with a similar meaning
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Words with an opposite meaning
Make it your own
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