'Infest' definitions:

Definition of 'infest'

From: WordNet
verb
Invade in great numbers; "the roaches infested our kitchen" [syn: infest, overrun]
verb
Occupy in large numbers or live on a host; "the Kudzu plant infests much of the South and is spreading to the North" [syn: invade, overrun, infest]
verb
Live on or in a host, as of parasites

Definition of 'Infest'

From: GCIDE
  • Infest \In*fest"\, v. t. [imp. & p. p. Infested; p. pr. & vb. n. Infesting.] [L. infestare, fr. infestus disturbed, hostile, troublesome; in in, against + the root of defendere: cf. F. infester. See Defend.] To trouble greatly by numbers or by frequency of presence; to disturb; to annoy; to frequent and molest or harass; as, fleas infest dogs and cats; a sea infested with pirates. [1913 Webster]
  • To poison vermin that infest his plants. --Cowper. [1913 Webster]
  • These, said the genius, are envy, avarice, superstition, love, with the like cares and passions that infest human life. --Addison. [1913 Webster]
  • And the cares, that infest the day, Shall fold their tents, like the Arabs, And as silently steal away. --Longfellow. [1913 Webster]

Definition of 'Infest'

From: GCIDE
  • Infest \In*fest"\, a. [L. infestus. See Infest, v. t.] Mischievous; hurtful; harassing. [Obs.] --Spenser. [1913 Webster]