1. Hunting and killing other animals for food
   - predaceous 
2. Living by or given to victimizing others for personal gain
   "a predacious kind of animal--the early geological gangster"
   - predaceous, predatory

See also: acquisitive, carnivorous

• octonary
• octopod
• Octopoda
• Octopodidae
• octopus
• octoroon
• octosyllabic
• octosyllable
• octroi
• octuple
• octuplet
• octyl
• ocular
• ocular muscle
• oculism
• oculist
• oculomotor
• oculomotor nerve
• oculopharyngeal muscular dystrophy
• oculus
• oculus dexter
• oculus sinister
• Ocyurus
• Ocyurus chrysurus
• OD