MEANING
1. An appearance or sensory impression that differs from what is actually present.
2. A belief or expectation that misrepresents reality.
Use it for
Words that belong together
- optical illusion
On the page
The reflection created an optical illusion.
The doorway’s depth was an illusion.
Related words
Word forms
- Base
- illusion
Explore related collections
Usage notes
Primary category: horror. Forms: Singular illusion; plural illusions. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.
Practice this word in a sentenceYour margin notes
Keep a thought for later. Sign in to save privately.