1. Very uncertain
   "left everything up in the air" 
2. Not yet determined
   "plans are still up in the air"

See also: uncertain

• Jinghpaw
• Jinghpo
• jingle
• jingle-jangle
• jingling
• jingly
• jingo
• jingoism
• jingoist
• jingoistic
• Jinja
• jink
• jinks
• Jinnah
• jinnee
• jinni
• jinrikisha
• jinx
• jinxed
• jiqui
• jird
• Jirga
• Jirrbal
• jislaaik
• jism