In general, the term "infestation" refers to parasitic diseases caused by animals such as arthropods (i.e. mites, ticks, and lice) and worms, but excluding (except) conditions caused by …

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: the act of infesting; state of being infested. See examples of infestation used 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.

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.

If a house is full of cockroaches or other bugs, that's an infestation. One or two bugs doesn't count: an infestation means lots of bugs are invading, and it's a huge problem.

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 …

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 …

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

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.