1. Not firmly or solidly positioned
   "an unfirm stance"
   - unsteady 
2. (of soil) unstable
   "unfirm earth"
   - shifting

See also: loose, unfixed

• Ativan
• Atkins
• Atkins diet
• Atkins Nutritional Approach
• Atlanta
• Atlantean
• atlantes
• Atlantic
• Atlantic bonito
• Atlantic bottlenose dolphin
• Atlantic City
• Atlantic Coast
• Atlantic cod
• Atlantic croaker
• Atlantic halibut
• Atlantic herring
• Atlantic manta
• Atlantic moonfish
• Atlantic Ocean
• Atlantic puffin
• Atlantic ridley
• Atlantic sailfish
• Atlantic salmon
• Atlantic sea bream
• Atlantic spiny dogfish