watch

1. (ambitransitive) To look at, see, or view for a period of time.Examples: "Watching the clock will not make time go faster."; "I'm tired of watching TV."; "It was a joy to snatch some brief respite, and find himself in the rectory drawing–room. Listening here was as pleasant as talking; just to watch was pleasant. The young priests who lived here wore cassocks and birettas; their faces were fine and mild, yet really strong, like the rector's face; and in their intercourse with him and his wife they seemed to be brothers."ambitransitive

2. (transitive) To observe over a period of time; to notice or pay attention.Examples: "Watch this!"; "Put a little baking soda in some vinegar and watch what happens."transitive

3. (transitive) To mind, attend, or guard.Examples: "Please watch my suitcase for a minute."; "He has to watch the kids that afternoon."; "[…] (it was the town's humour to be always gassing of phantom investors who were likely to come any moment and pay a thousand prices for everything) — “[…] Them rich fellers, they don't make no bad breaks with their money. They watch it all th' time b'cause they know blame well there ain't hardly room fer their feet fer th' pikers an' tin-horns an' thimble-riggers what are layin' fer 'em. […]”"transitive

4. (transitive) To be wary or cautious of.Examples: "You should watch that guy. He has a reputation for lying."transitive

5. (transitive) To attend to dangers to or regarding.Examples: "watch your head; watch your step"; "Watch yourself when you talk to him."; "Watch what you say."transitive

6. (intransitive) To remain awake with a sick or dying person; to maintain a vigil.Examples: "At the funeralls in Yorkeshire, to this day, they continue the custome of watching & sitting-up all night till the body is interred."intransitive