Infestation ... Infestation is the state of being invaded or overrun by pests or parasites. [1] It can also refer to the actual organisms living on or within a host. [2]

The meaning of INFEST is to spread or swarm in or over in a troublesome manner. How to use infest in a sentence.

INFESTATION definition: 1. a large number of animals and insects that carry disease, that are present where they are not…. Learn more.

INFESTATION definition: the act of infesting; state of being infested. See examples of infestation used in a sentence.

in•fes•ta•tion (ˌɪn fɛˈsteɪ ʃən) n. 1. the act of infesting or the state of being infested. 2. a harassing or troublesome invasion: an infestation of termites.

An infestation is an invasion of insects on a place like a house or an attack by insects on a plant. If you're scared of bugs, you're not going to like learning about an infestation, which is a huge amount …

INFESTATION definition: the act of infesting ; state of being infested | Meaning, pronunciation, translations and examples

Definition of infestation noun from the Oxford Advanced Learner's Dictionary. a large number of insects, rats, etc. living in a place where they are not wanted, often causing damage or disease. Scientists …

Dec 11, 2025 · infestation (countable and uncountable, plural infestations) The presence of a large number of pest organisms in an area or field, on the surface of a host or anything that might contact …

in•fes•ta•tion (in′fe stā′ shən), n. the act of infesting; state of being infested. a harassing or troublesome invasion: an infestation of ants.