infest

play
verb in·fest \in-ˈfest\

Definition of infest

  1. transitive verb
  2. 1 :  to spread or swarm in or over in a troublesome manner <a slum infested with crime> <shark-infested waters>

  3. 2 :  to live in or on as a parasite

infestant

play \-ˈfes-tənt\ noun

infestation

play \ˌin-ˌfes-ˈtā-shən\ noun

infester

play \in-ˈfes-tər\ noun

Examples of infest in a sentence

  1. <in desperation, we called in an exterminator because the house was infested with ants>

Origin and Etymology of infest

French infester, from Latin infestare, from infestus hostile


First Known Use: 1602


INFEST Defined for English Language Learners

infest

play
verb in·fest \in-ˈfest\

Definition of infest for English Language Learners

  • of something harmful or unwanted : to be in or over (a place, an animal, etc.) in large numbers


INFEST Defined for Kids

infest

play
verb in·fest \in-ˈfest\

Definition of infest for Students

infested

infesting

  1. :  to spread or swarm in or over in a harmful manner <Termites infested the tree.>


Medical Dictionary

infest

play
transitive verb in·fest \in-ˈfest\

Medical Definition of infest

  1. :  to live in or on as a parasite <the flea that infests cats> <horses infested with worms>—compare infect



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