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.
An example of an illusion is a magician making someone disappear in a box.
Spent months flailing about in illusion.
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.
Jane has this illusion that John is in love with her.
The animal in the shadows turned out to be an illusion.
Origin of illusion
From American Heritage Dictionary of the English Language, 5th Edition
- From Old French illusion, from Latin illūsiō, from illūdere, from in- (“at, upon”), + lūdere (“to play, mock, trick”)