1. Characterized by the interdependence of living organisms in an environment
   - ecological 
2. Of or relating to the science of ecology
   - ecological, bionomical, bionomic

See also: ecology

• drip pot
• drip-dry
• dripless
• drippage
• drippily
• drippiness
• dripping
• dripping pan
• drippings
• drippy
• dripstone
• drivable
• drive
• drive around
• drive away
• drive back
• drive home
• drive line
• drive line system
• drive off
• drive out
• drive up
• drive-by
• drive-by killing
• drive-by shooting