[in-fe-stey-shuh n]


the act of infesting; state of being infested.
a harassing or troublesome invasion: an infestation of ants.

Origin of infestation

1375–1425; late Middle English infestacio(u)n < Late Latin infestātiōn- (stem of infestātiō). See infest, -ation
Related formsre·in·fes·ta·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for infestation

Contemporary Examples of infestation

  • Sure, water filter makers put a bit of bactericide in their products to tamp down the infestation.

    The Daily Beast logo
    Are Water Filters B.S.?

    Michael Schulson

    August 19, 2014

  • In addition to this mess, there was also an infestation of maggots.

    The Daily Beast logo
    Republican Slobs Stick Together

    Ben Jacobs

    January 30, 2014

  • The apartment she was assigned to there had an infestation of cockroaches.

    The Daily Beast logo
    Denise Richards’ Reality

    Andrew Carter

    July 31, 2011

Historical Examples of infestation

Word Origin and History for infestation

early 15c., from Late Latin infestationem (nominative infestatio) "a troubling, disturbing, molesting," noun of action from past participle stem of infestare (see infest).

Online Etymology Dictionary, © 2010 Douglas Harper