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Definition illusion in British English

illusion noun

[countable] noun
/ɪˈluːʒ(ə)n/
1

a false or wrong belief or idea

Example

Many people still have the illusion that full employment is possible.

Example

This description creates the illusion that we can solve all our environmental problems.

Example

We are under no illusion that this money will be enough.

Example

I had no illusions about the task that lay ahead.

Synonyms and related words
2

an appearance or effect that is different from the way that things really are

Example

For some time, Yeltsin's rule provided an illusion of stability.

Example

Glass bricks in the bathroom gave the illusion of lightness and space.

Synonyms and related words
Definition illusion in British English