predatory (adj.)

• all-devouring
• avaricious
• bloodsucking
• carnivorous
• extortionate
• grabby
• grasping
• greedy
• lupine
• marauding
• parasitic
• plundering
• predacious
• rapacious
• raptorial
• ravaging
• ravening
• ravenous
• robbing
• thieving
• usurious
• voracious
• vulturine
• vulturous
• wolfish