0 present participle of watch
1 to look at something for a period of time, especially something that is changing or moving:
[ + obj + infinitive without to ] I watched him get into a cab.
I got the feeling I was being watched.
[ + obj + -ing verb ] I sit by the window and watch people walking past.
[ + question word ] Just watch how he slides that ball in past the goalkeeper.
Bonner watched helplessly as they drove away without him.
If you want me to watch the kids for a couple of hours while you go out, just let me know.
2 to be careful of something:
I have to watch my weight (= be careful not to become too heavy) now I'm not exercising so much.
[ + (that) ] Watch (that) you don't get glue on your fingers.
[ + question word ] Watch what you're doing with that knife, Jim, it's sharp.
Practically the whole nation watched the ceremony on television.
He watches a lot of TV.
We sat on the beach watching a spectacular sunset.
Thousands of fans packed into the stadium to watch the match.
Watch what you're doing with that stick!.