optical illusion

See synonyms for optical illusion on Thesaurus.com
noun
  1. See under illusion (def. 4).

Origin of optical illusion

1
First recorded in 1785–95

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use optical illusion in a sentence

  • Men mostly propose at night; I guess one excuse is that the girls form such beautiful optical illusions under a pink lamp shade.

    The Annals of Ann | Kate Trimble Sharber

British Dictionary definitions for optical illusion

optical illusion

noun
  1. an object causing a false visual impression

  2. an instance of deception by such an object

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012