illusion

Pronunciation

• (UK) IPA ^(key): /ɪˈl(j)uːʒ(ə)n/
• (US) enPR: ĭ-lo͞o'zhən, IPA ^(key): [ɪˈluː.ʒən]

• Audio (US)

  (file)

Noun

Singular illusion

Plural illusions

The lines are straight even though it does not seem to be the case

1. An illusion is something that appears to look like something, but it actually is not.

   While we were hiking in the forest, we thought we saw a snake on the ground, but it was just an illusion. It was just a wooden stick.

2. An illusion is when someone believes in something that is not true.
   • Synonym: misapprehension

   I always had this illusion that a girl can get pregnant just by kissing a boy.

3. An illusion is a trick that a magician uses to fool the audience.

   The coin-disappearing act was just an illusion.