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

Antonym: aerobic

Encyclopedia: Anaerobic

• time frame
• time immemorial
• time interval
• time lag
• time limit
• time loan
• time machine
• time note
• time of arrival
• time of day
• time of departure
• time of life
• time of origin
• time of year
• time off
• time out of mind
• time period
• time plan
• time scale
• time series
• time sharing
• time sheet
• time signal
• time signature
• time slot