A terminator is a character in a movie who is very strong and almost impossible to stop.
Terminators are often thought of as scary and powerful.
Examples:
The terminator is a robot from the future.
In the movie, the terminator is very strong.
The terminator is coming to get you!
I don't want to meet a terminator in real life.
The terminator can destroy anything!
The terminator is the scariest character in the movie.