1. living or occurring without oxygen
Usage: biology
2. relating to exercise that does not require increased oxygen intake
Usage: fitness; sports medicine

Examples

• Anaerobic bacteria can survive in environments without oxygen.
• The deep ocean contains many anaerobic organisms.
• Anaerobic exercise includes activities like weightlifting and sprinting.
• The athlete focused on anaerobic training to build muscle strength.
• Anaerobic digestion is used to break down organic waste.
• Some microorganisms use anaerobic respiration to produce energy.