- [countable, uncountable] a false idea or belief, especially about somebody or about a situation
- under the illusion that… She's under the illusion that (= believes wrongly that) she'll get the job.
- illusion about something The new president has no illusions about the difficulties facing her country (= she knows that the country has serious problems).
- I have no illusions about her feelings for me (= I know the truth is that she does not love me).
- He could no longer distinguish between illusion and reality.
- I don’t want to have my illusions shattered!
Extra Examples- I don't want to give him any false illusions.
- I never had any grand illusions of winning.
- I think I have lost all the illusions I had left.
- Now is the time to shed our illusions.
- To believe you have nothing more to learn is a dangerous illusion.
- Meeting my hero in real life really shattered all my illusions about him.
- To believe that you're safe is a dangerous illusion.
Oxford Collocations Dictionaryadjective- dangerous
- optical
- visual
- …
- be under
- entertain
- have
- …
- illusion about
- illusion as to
- be all an illusion
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- [countable] something that seems to exist but in fact does not, or seems to be something that it is not
- Mirrors in a room often give an illusion of space.
- The idea of absolute personal freedom is an illusion.
Extra Examples- It turned out that their happy marriage was all an illusion.
- The figure was only a trick of light, a mere illusion.
- The slogan provides the comforting illusion that something is being done.
- They are trying to maintain the illusion that the company is in good shape.
- They wanted to create the illusion of being a close, happy family.
- The huge size of the vehicle gives the illusion of safety.
Oxford Collocations Dictionaryadjective- dangerous
- optical
- visual
- …
- be under
- entertain
- have
- …
- illusion about
- illusion as to
- be all an illusion
Word OriginMiddle English (in the sense ‘deceiving, deception’): via Old French from Latin illusio(n-), from illudere ‘to mock’, from in- ‘against’ + ludere ‘play’.
Check pronunciation:
illusion