pred·a·to·ry 
(prĕdə-tôr′ē)
(prĕdə-tôr′ē)adj.
1. Living or characterized by preying on other animals: a predatory insect; predatory instincts.
2.
a. Living or characterized by plundering, pillaging, or marauding.
b. Living or characterized by the exploitation of others for personal gain: predatory business practices.
[Latin praedātōrius, plundering, from praedārī, to plunder, from praeda, booty; see ghend- in the Appendix of Indo-European roots.]
pred′a·tori·ly adv.
preda·to′ri·ness n.