rhizoverbBeta
DictionaryillusionFalse appearance or impression
noun

illusion

ih-LOO-zhuhn/ɪˈluːʒn/

An appearance or impression that makes something seem real or true when it is not.

The water creates an illusion that the straight pencil is bent.

A straight pencil appears bent where it enters a clear glass of water, recognizable optical illusion.
Etymology
ilLatinat, upon
+lusLatinto play
+ionLatinact or result

The pieces originally expressed “playing with,” hence mocking or making fun of someone. The meaning then shifted from mockery to deceptive appearance, connecting illusion with perceptions or beliefs that misrepresent reality.

In context

Audiobooks Owl100:36
Survivors blame themselves for falling for the illusion. And communities fracture when false cures spread faster than facts. Because in the world of health scams, belief can be contagious.
Anatomy of a Con Artist: Inside the Minds of Scammers, Grifters, and Thieves (Audiobook Documentary)

More examples

  • The painted doorway gives an illusion of depth.
  • His calm voice creates the illusion that everything is under control.
  • She has no illusions about how difficult the job will be.

Forms

illusion · illusions

illusory adjective — Seeming real or true but not.

Similar words

mirage
An optical illusion often caused by layers of heated air.
delusion
A false belief held despite evidence that contradicts it.