1. Living or active in the absence of free oxygen
   "anaerobic bacteria"
   - anaerobiotic 
2. Not aerobic
   "isometric exercises are anaerobic"

Antonym: aerobic

Encyclopedia: Anaerobic

• rifled
• rifleman
• rifleman bird
• rifler
• rifling
• rift
• rift valley
• Rift Valley fever
• rig
• rig up
• Rig-Veda
• Riga
• rigadoon
• rigamarole
• rigatoni
• Rigel
• rigged
• rigger
• rigger brush
• rigging
• Riggs' disease
• Riggs's disease
• right
• right along
• right angle