Length ranks your synonyms based on character count.
Informal words should be reserved for casual, colloquial communication.
noun trick on the eyes
More words related to optical illusion
noun. misconception, misbelief
noun. false appearance; false belief
- false impression
- figment of imagination
- fool's paradise
- head trip
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.Cite This Source