1.
If someone is living in a ~ world, they are pretending that things are better, different, or more exciting than they really are instead of facing up to reality.
...the glamorous ~ world of show business...
N-UNCOUNT disapproval
2.
You use ~ to refer to the activity involved when a child plays a game in which they pretend something, for example that they are someone else.
She used to play games of ~ with her elder sister.
...his ~ playmate.
N-UNCOUNT
3.
You use ~ to describe things, for example in a play or film, that imitate or copy something real, but which are not what they appear to be.
The violence in those films was too unreal, it was ~...
ADJ