v.
1.be undecided about something
2.move to and fro
3.hang in the air
4.be suspended in the air, as if in defiance of gravity
5.hang over, as of something threatening, dark, or menacing
Idiom of the Day
let up on (someone or something)
to stop working too hard, to take the pressure off someone or something
The man was told by his doctor to let up on his work schedule or he would become sick.