up in the air
• (of a plan or issue) still to be settled; unresolved.
• "the fate of the power station is up in the air"
Similar:
uncertain,
unknown,
undetermined,
unsettled,
unresolved,
unsure,
pending,
in the balance,
in limbo,
in no man's land,
debatable,
open to question,
in doubt,
dicey,
hairy,
iffy,
dodgy,
in the air
• felt by a number of people to be happening or about to happen.
• "panic was in the air"
