- The definition of an illusion is an idea or something you can see that isn’t real.
An example of an illusion is a magician making someone disappear in a box.
- Illusion is defined as something that tricks the eye.
An example of an illusion is a drawing that can look like an old lady or a vase depending on which part you focus on.
This floating card is an illusion.
- a false idea or conception; belief or opinion not in accord with the facts
- an unreal, deceptive, or misleading appearance or image: a large mirror giving the illusion of space in a small room
- a false perception, conception, or interpretation of what one sees, where one is, etc.
- the misleading image resulting in such a false impression
- a delicate, gauzy silk tulle used for veils, etc.
Origin of illusionMiddle English illusioun ; from Old French illusion ; from Classical Latin illusio, a mocking (in Ecclesiastical Late Latin deceit, illusion) ; from illusus, past participle of illudere, to mock, play with ; from in-, on + ludere, to play: see ludicrous
- a. An erroneous perception of reality: Mirrors gave the illusion of spaciousness.b. An erroneous concept or belief: The notion that money can buy happiness is an illusion.
- The condition of being deceived by a false perception or belief: spent months flailing about in illusion.
- Something that is erroneously perceived or construed: The animal in the shadows turned out to be an illusion.
- A fine transparent net fabric, used for dresses or trimmings.
Origin of illusionMiddle English illusioun, from Old French, from Late Latin illūsiō, illūsiōn-, from Latin, a mocking, irony, from illūsus, past participle of illūdere, to mock : in-, against; see in–2 + lūdere, to play; see leid- in Indo-European roots.
- il·lu′sion·al, il·lu′sion·ar′y
top: straight horizontal rules appear curved
bottom: a gray box against a black background appears lighter than the same gray box against a white background
(countable and uncountable, plural illusions)
- (countable) Anything that seems to be something that it is not.
- We saw what looked like a tiger among the trees, but it was an illusion caused by the shadows of the branches.
- Using artificial additives, scientists can create the illusion of fruit flavours in food.
- (countable) A misapprehension; a belief in something that is in fact not true.
- Jane has this illusion that John is in love with her.
- (countable) A magician’s trick.
- (uncountable) The state of being deceived or misled.