INFESTING
Verb
infesting
present participle of infest
Source: Wiktionary
INFEST
In*fest", a. Etym: [L. infestus. See Infest, v. t.]
Definition: Mischievous; hurtful; harassing. [Obs.] Spenser.
In*fest", v. t. [imp. & p. p. Infested; p. pr. & vb. n. Infesting.]
Etym: [L. infestare, fr. infestus disturbed, hostile, troublesome; in
in, against + the root of defendere: cf. F. infester. See Defend.]
Definition: 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.
To poison vermin that infest his plants. Cowper.
These, said the genius, are envy, avarice, superstition, love, with
the like cares and passions that infest human life. Addison.
And the cares, that infest the day, Shall fold their tents, like the
Arabs, And as silently steal away. Longfellow.
Source: Webster’s Unabridged Dictionary 1913 Edition