stay (to continue to be in a certain place for a period of time): I’ll stay home and watch TV. Stay here! I’ll be back in a minute.
remain rather formal (to stay in the same place or position): You will need to remain in bed for at least 3 days.
linger (to stay somewhere for a longer time than usual): Some of the guests lingered on until after midnight. Let’s not linger here; it’s getting dark.
loiter (to stay around a place, especially with no obvious reason): Come straight home and don’t loiter on your way.
hang around phrasal verb, informal (to spend time or stay around a place): You can go, and I’ll hang around for a bit in case he comes.
stick around phrasal verb informal (to stay in a place or near a place): Stick around here; we might need your help.
stay put idiom (to stay in one place): Please stay put with the baggage until I get the car.