An illusion is a false impression that you have of something. You might think that the sky is blue, or that you're taller than you really are.

  • The illusion of the sky was very beautiful.

  • The illusion of the cake was very convincing.

Definition of illusion


an illusory feat; considered magical by naive observers


conjuration, conjuring trick, deception, legerdemain, magic, magic trick, thaumaturgy, trick


something many people believe that is false


fancy, fantasy, phantasy


an erroneous mental representation




the act of deluding; deception by creating illusory ideas


delusion, head game

Nearby Words

illusion Pronunciation in a video

Example Sentences for illusion

  • 1

    He was droll, engaging and a master of grand illusion and platform magic.

  • 2

    Tactile illusions are illusions that exploit the sense of touch.

  • 3

    The persistence of this illusion is astonishing.

  • 4

    The showmanship sells the illusion.

  • 5

    Illusive is the adjective form of illusory.

  • 6

    In this way an illusive will may appear.

  • 7

    Right now the recourse is illusive.

  • 8

    We undergo the experiences of the illusion.

  • 9

    That was the illusion the negotiators gave themselves up to.

  • 10

    The illusions appear to be both aural and visual.