up in the air

The idiom "up in the air" is often used to describe situations that are uncertain or not yet decided.

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Definition

B2General

(informal)Not yet decided or resolved.

Example

Our travel plans are still up in the air.
The future of the project is up in the air due to budget cuts.

Similar

Terms that have similar or relatively close meanings to "up in the air":

in the air high up up there up above in the wind head in the clouds send up on the up toss up fly high up in arms hands up up for on the wing get up in air quote up and down on the fence head up up top go up