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 …

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 …

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 …

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

An infestation happens when unwanted pests, such as insects, rodents, or other animals, invade and begin to reproduce in your space. Common culprits include ants, termites, cockroaches, bed bugs, …