A fantasy is a pleasant situation that people think about but is unlikely to happen.
My child seems to live in a fantasy world sometimes.

a movie in which very frightening things happen, such as dead people coming to life and people being murdered
She didn't like to watch horror movies because they caused her not to be able to sleep for many days.

being made to appear as actually moving
My younger sister watched a lot of animated movies.

characterized by violence or strong force
He is normally not violent.

causing fright or fear
Brent has a very scary costume this year.

extremely amusing
The joke that he told was hilarious.