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up in the air
Not settled, uncertain, as in The proposal to build a golf course next to the airport is still up in the air. This metaphoric expression likens something floating in the air to an unsettled matter. Put as in the air from the mid-1700s, it acquired up in the first half of the 1900s.
Example Sentences
"His right foot slipped into the puddle, with him trying to stop himself from falling with his left foot but his left foot ended up in the air."
“To be suspended 30-40 feet up in the air? Nothing beats it,” Mitchell said.
“That’s completely up in the air right now; there’s no lawsuit right now,” Smith said.
For students, the changes have brought widespread uncertainty, with visa appointments at US embassies now unavailable and delays that could leave scholarships up in the air.
Researchers have found that pollutants in the Tijuana River, which carries raw sewage and industrial waste from Tijuana, are also turning up in the air along the coast near the U.S.-Mexico border.
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