optical illusion

op·ti·cal il·lu·sion
O o


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [op-ti-kuh l ih-loo-zhuh n]
    • /ˈɒp tɪ kəl ɪˈlu ʒən/
    • /ˈɒp.tɪ.kəl ɪˈluː.ʒən/
    • US Pronunciation
    • US IPA
    • [op-ti-kuh l ih-loo-zhuh n]
    • /ˈɒp tɪ kəl ɪˈlu ʒən/

Definitions of optical illusion words

  • noun optical illusion something that deceives by producing a false or misleading impression of reality. 1
  • noun optical illusion the state or condition of being deceived; misapprehension. 1
  • noun optical illusion an instance of being deceived. 1
  • noun optical illusion Psychology. a perception, as of visual stimuli (optical illusion) that represents what is perceived in a way different from the way it is in reality. 1
  • noun optical illusion a very thin, delicate tulle of silk or nylon having a cobwebbed appearance, for trimmings, veilings, and the like. 1
  • noun optical illusion Obsolete. the act of deceiving; deception; delusion. 1

Information block about the term

Origin of optical illusion

First appearance:

before 1785
One of the 44% newest English words
First recorded in 1785-95

Historical Comparancy

Parts of speech for Optical illusion


optical illusion popularity

This term is known only to a narrow circle of people with rare knowledge. Only 5% of English native speakers know the meaning of this word.
According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

optical illusion usage trend in Literature

This diagram is provided by Google Ngram Viewer

Synonyms for optical illusion

noun optical illusion

  • deceptiveness — apt or tending to deceive: The enemy's peaceful overtures may be deceptive.
  • delusion — A delusion is a false idea.
  • idolism — idolatry.
  • ignis fatuus — Also called friar's lantern, will-o'-the-wisp. a flitting phosphorescent light seen at night, chiefly over marshy ground, and believed to be due to spontaneous combustion of gas from decomposed organic matter.
  • illusion — something that deceives by producing a false or misleading impression of reality.

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