infest

English · Thesaurus

AI In plain words

Writing a short explanation…

Written by a house AI from the entry below, in your language. The entry itself is the source.

infest

  • /ɪnˈfɛst/

Rhymes with -ɛst

Where it comes from

From Middle English infesten, from Old French infester (“to infest”), from Latin īnfestō (“assail, molest”, verb), from īnfestus (“hostile”), of uncertain origin.

verb infests · infesting · infested

  1. transitive To inhabit a place in unpleasantly large numbers; to plague, harass. Insects are infesting my basement!
  2. of a parasite To invade a host plant or animal.

Similar: beride, plague

adjective more infest · most infest

  1. obsolete Mischievous; hurtful; harassing. […] The swarme of scaled snakes Did make an yrksome noyce to heare, as she her tresses shakes. About her shoulders some did craule, some trayling downe her brest, Did hisse, and spit out poison greene, and spirt with tongues infest.

noun

  1. obsolete, uncountable Hostility. 1590, Edmund Spenser, The Faerie Queene, Book II, Canto Eleven, Stanza 32, Hackett, 2006, p. 191, Like as a fire, the which in hollow cave Hath long bene underkept, and down supprest, With murmurous disdayne doth inly rave, And grudge, in so streight prison to be prest, At last breakes forth with fu

Thesaurus

verb

Similar: beride, plague

Translations

Every language

verb to inhabit a place in large numbers

Portuguêsinfestar
Deutschbefallen

Talk about this word

Cite this
MLA

"infest." Wiktionary, via Micwyn, micwyn.com/word/infest. Accessed 6 Nov. 2026.

APA

infest. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/infest

Chicago

"infest." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/infest.

BibTeX
@misc{infest_2026,
  title = {infest},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/infest},
  urldate = {2026-11-06}
}