Synonyms of up in the air

up in the air

phrase

as in volatile

likely to change frequently, suddenly, or unexpectedly

Our plans are still up in the air, but we're hoping to leave on Sunday.

Synonyms & Similar Words

• volatile
• variable
• unpredictable
• unstable
• inconsistent
• changeful
• unsettled
• uncertain
• fickle
• capricious
• unsteady
• fluid
• mutable
• inconstant
• mercurial
• random
• temperamental
• changeable
• arbitrary
• erratic
• skittish
• flickery
• fluctuating
• ambivalent
• aimless
• shaky
• desultory
• haphazard
• stray
• slapdash
• hit-or-miss
• mobile
• irregular
• unreliable
• dicey
• adaptable
• vacillating
• versatile
• scattered
• protean
• untrustworthy
• hesitating
• undependable
• wavering
• shilly-shally
• shilly-shallying

Antonyms & Near Antonyms

• certain
• constant
• even
• settled
• stable
• steady
• immutable
• predictable
• uniform
• stationary
• unchanging
• sure
• invariable
• tried
• unchangeable
• true
• unvarying
• permanent
• persistent
• changeless
• durable
• abiding
• lasting
• reliable
• equable
• trustworthy
• dependable
• trusty
• tried-and-true

Example Sentences

Recent Examples of up in the air

Whether the evidence spells the end of peewee football remains up in the air. — Alexandra Pattillo, Scientific American, 23 Sep. 2026

Chapman’s status seemed more up in the air earlier in the week. — Steven Johnson, Fort Worth Star-Telegram, 23 Sep. 2026

The season 3 finale left the fates of Randy (Austin Hébert) and Tex (Jonah Wharton) up in the air, so their status remains to be seen. — Brianna Zigler, Entertainment Weekly, 22 Sep. 2026

And Mayci Neeley mirrored Taylor’s statement, saying her involvement was also up in the air. — Emily St. Martin, Los Angeles Times, 21 Sep. 2026