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Definitions

up in the air

ADJECTIVE
very uncertain
Synonyms
WEAK
chancy debatable doubtful iffy pending questionable tentative uncertain undecided undetermined unfinished unresolved unsettled
Antonyms
WEAK
certain finished resolved settled

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It turns out there’s still a lot that’s up in the air.

From Slate • Apr. 17, 2026

Levinson told the New York Times the show's future beyond season three is up in the air.

From BBC • Apr. 8, 2026

So the first quarter might be all right, but beyond that everything is up in the air.

From Barron's • Apr. 8, 2026

It’s more like throwing the game board up in the air to see how it might come down.

From The Wall Street Journal • Mar. 27, 2026

I wanted Chloe to meet Mr. Reilly before school started, but he spent most of his days up in the air.

From "Landscape with Invisible Hand" by M.T. Anderson