to infest
in
ɪn
in
fest
ˈfɛst
fest
investinfectingestincest

Definition & Meaning of "infest"in English

to infest
01

to overrun in large numbers 

Grammatical Information
Composition
derived
Action verb
Regular
Present tense
infest
3rd person singular
infests
Present participle
infesting
Past simple
infested
Past participle
infested
Examples
Last summer, the picnic area was infested with mosquitoes, forcing us to cut our outing short. 
02

(parasites) to inhabit or occupy a place in large numbers 

Examples
The fleas infest the dog's fur, causing constant itching and discomfort. 
03

occupy in large numbers or live on a host 

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