Zoology . preying upon other organisms for food.

of, pertaining to, or characterized by plunder, pillage, robbery, or exploitation

predatory tactics.

engaging in or living by these activities

predatory bands of brigands.

excessive or exploitive in amount or cost, as out of greed or to take advantage of consumers or patrons

predatory pricing.

acting with or possessed by overbearing, rapacious, or selfish motives

He was cornered at the party by a predatory reporter.

adjective

bloodthirsty , carnivorous , depredatory , despoiling , greedy , hungry , hunting , marauding , pillaging , plundering , predacious , predative , preying , rapacious , raptorial , ravaging , ravening , thieving , voracious , vulturine , vulturous , wolfish , predaceous , ravenous