infest

To inhabit or overrun in numbers or quantities large enough to be harmful, threatening, or obnoxious.

To live as a parasite in or on.

Hostile; hurtful; mischievous; harassing; troublesome.

To attack; molest; harass; haunt or prowl around mischievously or hurtfully; attack parasitically.

Synonyms To annoy, harass, torment, plague, vex, molest, overrun.

To become confirmed in evil; become habitually vicious.

To trouble greatly by numbers or by frequency of presence; to disturb; to annoy; to frequent and molest or harass

Mischievous; hurtful; harassing.

to be mischievous; to be hurtful; to be harassing.

invade in great numbers