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infest Meaning & Definition

/ɪnˈfɛst/

What Does Infest Mean?

Infest is used as a verb meaning To inhabit a place in unpleasantly large numbers; to plague, harass. It can also mean To invade a host plant or animal. As an adjective, it means Mischievous; hurtful; harassing. As a noun, it means Hostility.

Quick Facts About Infest

Part of speechverb, adjective, noun
Pronunciation/ɪnˈfɛst/
Synonymsoverrun, beride and plague
Comparative / superlativemore infest, most infest
Verb formsinfests, infesting, infested

Infest Definition (Verb)

  1. To inhabit a place in unpleasantly large numbers; to plague, harass.

    Insects are infesting my basement!

  2. To invade a host plant or animal.

Infest as an Adjective

  1. Mischievous; hurtful; harassing.

Infest as a Noun

  1. Hostility.

Verb

  1. (of a parasite) To invade a host plant or animal.

Synonyms of Infest

Infest synonyms and antonyms →

Infest in a Sentence

Insects are infesting my basement!

Word Forms & Grammar

infest (third-person singular simple present infests, present participle infesting, simple past and past participle infested)

infest (comparative more infest, superlative most infest)

infest (uncountable)

Words That Rhyme With Infest

Origin of Infest

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

Common Questions About Infest

Is infest a verb or an adjective?

Infest is mainly used as a verb, but it can also be used as an adjective and a noun.

What is another word for infest?

Words with a similar meaning to infest include overrun, beride and plague. See the full list of infest synonyms and antonyms.

What is the past tense of infest?

The past tense of infest is infested. The present participle is infesting.

What are the comparative and superlative forms of infest?

The comparative form is more infest and the superlative form is most infest.

More About Infest On Meaning Stash

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