up in the air

[up in the air] {adj.} or {adv. phr.} 1. {informal} In great angeror excitement.

My father went straight up in the air when he heardI damaged the car.

The Jones family are all up in the air becausethey are taking a trip around the world.

Compare: HIT THE CEILING,BLOW A FUSE. 2. also [in midair] Not settled; uncertain; undecided.

Plans for the next meeting have been left up in the air until Janegets better.

The result of the game was left hanging in midairbecause it rained before the finish.