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
step up (something)
to make something go faster, to increase something
Recently, we stepped up our effort to hire some new computer programmers for our company.