1.Definition: characterized by plundering or pillaging or marauding

"Predatory warfare"

Related Adjective(s):marauding, raiding

2.Definition: living by or given to victimizing others for personal gain

"Predatory capitalists", "A predatory, insensate society in which innocence and decency can prove fatal"

Related Adjective(s):predaceous, predacious

3.Definition: living by preying on other animals especially by catching living prey

"A predatory bird"

Related Adjective(s):rapacious, raptorial, ravening, vulturine, vulturous