infest

Definition of infestnext
as in to plague
to spread or swarm over in a troublesome manner in desperation, we called in an exterminator because the house was infested with ants

Synonyms & Similar Words

Relevance

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of infest Producer Greer Simpkin noted that the swarms of flies visible throughout required no visual effects – the location was so badly infested that cast and crew regularly swallowed them during takes. Naman Ramachandran, Variety, 17 June 2026 The screwworm is actually a fly whose larvae infest the wounds of warm-blooded animals. Ilena Peng, Fortune, 13 June 2026 The larvae can infest any warm-blooded animal, including wildlife, pets and occasionally even humans. Aimee Picchi, CBS News, 12 June 2026 Screwworms Primarily Affect Livestock Screwworms can infest farm animals including cattle, goats, and sheep. Emily Kay Votruba, EverydayHealth.com, 11 June 2026 See All Example Sentences for infest
Recent Examples of Synonyms for infest
Verb
  • The high school exam board, CBSE, has faced public outrage over an electronic marking system plagued with technical glitches, during which students said answers were wrongly marked or, in some cases, answer sheets were omitted entirely.
    Mithil Aggarwal, NBC news, 20 June 2026
  • The department said that all reopenings of the Reflecting Pool have been plagued by algae blooms and that vacuuming up the algae would take a couple of days.
    Lalee Ibssa, ABC News, 19 June 2026
Verb
  • The news comes as Lackland Air Force Base in Texas — home to the Air Force's Basic Military Training program — grapples with a flu outbreak that has infected 275 people in recent weeks, a congressional staffer with knowledge of the matter told CBS News.
    Eleanor Watson, CBS News, 25 June 2026
  • Hall was infected in the 2000s and diagnosed in 2006, according to the Bay Area Lyme Foundation.
    Amaris Encinas, USA Today, 25 June 2026
Verb
  • In the 10th minute, Neil El Aynaoui pilfered the ball from Ryan Christie, then nearly capitalized on the ensuing counterattack, finding free space in front of an open net but overrunning Azzedine Ounahi’s cross.
    Zack Cox, Boston Herald, 20 June 2026
  • Before Monday’s deadly crash, the most recent incident involving a B-52 occurred in 2016 in Guam, after the plane overran the runway.
    Los Angeles Times, Los Angeles Times, 19 June 2026
Verb
  • Seltz’s system crawls hundreds of millions of pages a day, and returns results in under 200 milliseconds.
    Jeremy Kahn, Fortune, 24 June 2026
  • The animal eventually crawled under a dock.
    Kimberlee Speakman, PEOPLE, 23 June 2026
Verb
  • Consider the following ideas to maximize space and add flower power without overwhelming the dahlias.
    Andy Wilcox, Better Homes & Gardens, 20 June 2026
  • In a world often overwhelmed by heartbreak and division, the story confirms that love has a way of continuing on.
    Staff, FOXNews.com, 20 June 2026

Browse Nearby Words

Cite this Entry

“Infest.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infest. Accessed 26 Jun. 2026.

More from Merriam-Webster on infest

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster