up in the air

/ˌʌp ɪn ðə ˈɛər/
adverbial phrase★Intermediate— uncertain or unresolved◆idiom
◆ What It Really Means
A situation that is unresolved, undecided, or lacks closure, often due to pending decisions or external factors.
Literal Meaning
Physically suspended in the air, not touching the ground.
Literal Breakdown
upin a higher position+in the airsuspended or floating
◇ Mental Image
Imagine a balloon or kite floating in the sky, untethered and moving freely without direction. This visual represents a situation where plans or decisions are not anchored to a firm decision.
◈ When to Use
During a team meeting, a manager says, 'The budget for the new office is up in the air until the finance department approves it.' Here, the budget's approval is uncertain, much like an object floating without control.
◉ Cultural Note
This idiom reflects the human tendency to associate physical instability (like floating) with emotional or situational uncertainty. It has been a part of English idiomatic speech since the early 20th century, emphasizing the unpredictability of plans.
informal

uncertain or unresolved; not yet decided or finalized

The date of the meeting is up in the air because the CEO is traveling.

The meeting date is uncertain due to the CEO's travel schedule.

Her future with the company is up in the air after the merger.

Her position in the company is undecided following the merger.

💡

Commonly used in business, personal, and social contexts to indicate a lack of resolution.

Collocations

leave something up in the airto leave a situation unresolvedkeep something up in the airto maintain uncertainty about a situation

Related Phrases

in limboidiom
in a state of uncertainty or neglect
up for grabsidiom
available to anyone who wants it
hang in the balanceidiom
undecided or in a critical state

💡Pro Tip

Use in Context

Use 'up in the air' to describe situations where decisions are delayed or not yet made, such as project timelines, personal plans, or organizational changes.

⚡Gold Rule

Avoid Literal Interpretation

This idiom is always used figuratively. Do not use it to describe physical objects floating in the air.

📖Word Origin

The phrase originated in the early 20th century, likely from the literal image of something floating or suspended in the air, implying a lack of grounding or resolution. The metaphorical use emerged in American English around the 1920s.

📝Usage Notes

This idiom is widely used in both spoken and written English, particularly in informal and business contexts. It conveys a sense of temporary uncertainty without implying a specific timeline for resolution.

Word Breakdown

up
elevated or not grounded
adverb
+
in the air
suspended or floating
prepositional phrase
English Dictionary