make-believe world

noun
UK /ˈmeɪk bɪˌliːv wɜːld/
US /ˈmeɪk bɪˌliːv wɝːld/

A make-believe world is a pretend place you imagine in your mind.

The children built a make-believe world where dragons lived in the clouds.


OTHER MEANINGS

2. A false or unrealistic view of reality held by a person or group.

He lives in a make-believe world where money never runs out.

3. A setting created for a game, film, or story that is not real.

The movie takes place in a make-believe world full of talking animals.

4. The imaginary realm children enter during pretend play.

In her make-believe world, she was a queen ruling over a kingdom of toys.