To prey on

Related to To prey on: predatorily, fallen prey, predated
To take prey from; to despoil; to pillage; to robTo seize as prey; to take for food by violence; to seize and devour.- Shak. To wear away gradually; to cause to waste or pine away; as, the trouble preyed upon his mind.- Shak.

See also: Prey, Prey, Prey