EXAMPLES | WORD ORIGIN verb (used with object) to live in or overrun to an unwanted degree or in a troublesome manner, especially as predatory animals or vermin do: Sharks infested the coastline. to be numerous in, as anything undesirable or troublesome: the cares that infest the day. . Archaic to harass. Origin of infest 1375–1425; late Middle English < Latin infestāre to assail, molest, derivative of infestus hostile Related forms in·fest·er, noun re·in·fest, verb (used with object) un·in·fest·ed, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for uninfested Historical Examples of uninfested British Dictionary definitions for uninfested verb (tr) to inhabit or overrun in dangerously or unpleasantly large numbers (of parasites such as lice) to invade and live on or in (a host) Derived Forms infestation, noun infester, noun Word Origin for infest
C15: from Latin
infestāre to molest, from infestus hostile
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for uninfested v.
late 15c., "to attack, assail, hurt, distress, annoy," from Middle French
infester, from Latin infestare "to attack, disturb, trouble," from infestus "hostile, dangerous," originally "inexorable, not able to be handled," from in- "not, opposite of" (see in- (1)) + -festus "(able to be) seized." Sense of "swarm over in large numbers" first recorded c.1600. Related: Infested; infesting.
Online Etymology Dictionary, © 2010 Douglas Harper
v. To live as a parasite in or on tissues or organs or on the skin and its appendages. To inhabit or overrun in numbers large enough to be harmful, threatening, or obnoxious. Related forms in′fes•ta ′tion n.
The American Heritage® Stedman's Medical Dictionary
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