What context can I use each word in?
Learn when and how to use these words with these examples!
delusion
Example
He was under the delusion that he could fly. [delusion: noun]
Example
She deluded herself into thinking that he loved her. [deluded: verb]
illusion
Example
The magician created an illusion of a disappearing act. [illusion: noun]
Example
The mirage created an illusion of water in the desert. [illusion: noun]
Good things to know
Which word is more common?
Illusion is more commonly used than delusion in everyday language. Illusion is versatile and covers a wide range of contexts, while delusion is less common and typically used in the context of mental health or psychology.
What’s the difference in the tone of formality between delusion and illusion?
Both delusion and illusion can be used in formal and informal contexts, but delusion is more likely to be used in technical or medical contexts due to its association with mental health disorders.
