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

See also: uncertain

• Ladyship
• laelia
• Laertes
• laetrile
• laevo-
• laevorotatary
• laevorotatory
• laevulose
• Lafayette
• Laffer
• Laffer curve
• Laffite
• Lafitte
• Lafora's disease
• lag
• Lag b'Omer
• lag bolt
• lag screw
• lagan
• Lagarostrobus
• Lagarostrobus colensoi
• Lagarostrobus franklinii
• Lagenaria
• Lagenaria siceraria
• lagend