English Explanatory Dictionary

illusion

English dictionary entry

Meanings

noun
  1. Anything that seems to be something that it is not.
  2. A misapprehension; a belief in something that is in fact not true.
  3. A magician’s trick.
  4. The state of being deceived or misled.

Pronunciation

/ɪˈl(j)uːʒ(ə)n/ ĭ-lo͞o'zhən [ɪˈluː.ʒən] /ɪˈl(j)uːzj(ə)n/ en-us-illusion.ogg

Word forms

illusion illusions

Etymology

From Old French illusion, from Latin illūsiō, from illūdere, from in- (“at, upon”) + lūdere (“to play, mock, trick”). Displaced native Old English dwimmer.

Synonyms

mirage phantom misapprehension misbelief misconception delusion

Derived words

argument from illusion barber pole illusion boomerang illusion café wall illusion clustering illusion coffer illusion comparative illusion Cornsweet illusion cutaneous rabbit illusion Delboeuf illusion disillusion Ebbinghaus illusion Ehrenstein illusion end-of-history illusion flash-lag illusion frequency illusion Hering illusion illusionable illusional illusionary illusion cake illusioned illusionette illusionism illusionist illusionistic illusionless illusionlike illusory introspection illusion irradiation illusion Jastrow illusion leaning tower illusion money illusion moon illusion Müller-Lyer illusion Oppel-Kundt illusion optical illusion Orbison illusion Pac-Man illusion Pinocchio illusion Poggendorff illusion Ponzo illusion reillusion ring-segment illusion somatogravic illusion stepping feet illusion stopped clock illusion Thatcher illusion under the illusion watercolor illusion waterfall illusion White's illusion Wundt area illusion Wundt illusion Wundt-Jastrow illusion Wundt's area illusion Zoellner illusion Zöllner illusion
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