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

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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 Despite those efforts, New World screwworm infested thousands of animals in Panama and Mexico, and in June, the US Department of Agriculture confirmed the first US cases in years. — Jen Christensen, CNN Money, 7 Sep. 2026 Otherwise, the flour could go stale in a few months or become infested by bugs in the pantry. — Brandee Gruener, Southern Living, 7 Sep. 2026 Inspectors noted a rice bucket was heavily infested with roaches. — Lillie Davidson, Fort Worth Star-Telegram, 1 Sep. 2026 The inspection followed a hunger strike by detainees, who in a letter, complained about rotten or worm-infested food, medical neglect, and being coerced into signing deportation orders. — Vanessa Romo, NPR, 20 Aug. 2026 See All Example Sentences for infest
Recent Examples of Synonyms for infest
Verb
  • Speculation and conspiracy theories have plagued Kirk’s death, fueled even by public figures such as Candace Owens, a longtime friend of Kirk, who has been outspoken about her belief that his death was orchestrated in an elaborate plot.
    — Mackenzie Chase, The Washington Examiner, 14 Oct. 2026
  • Hoover’s replacement has thus far been a miss, and the problem that plagued this program in losses in each of the last two years has not changed.
    — Mac Engel October 14, Fort Worth Star-Telegram, 14 Oct. 2026
Verb
  • These viruses infect diverse deep-sea prokaryotes that drive vital cycles of carbon, nitrogen, phosphorus, sulfur, and metals.
    — Mrigakshi Dixit, Interesting Engineering, 14 Oct. 2026
  • Eventually, the capability could enable computer worms, which propagate without requiring human interaction and are capable of infecting unfamiliar IoT devices.
    — Dan Goodin, ArsTechnica, 14 Oct. 2026
Verb
  • So, Cartman takes Ike to Sephora, which the kids of South Park have overrun, to pick up some products to help.
    — Payton Turkeltaub, Variety, 15 Oct. 2026
  • Many of China’s trading partners are facing weak growth prospects and are fearful of their manufacturing industries being overrun by exports from China, said Eswar Prasad, a professor of economics and trade policy at Cornell University.
    — ABC News, ABC News, 13 Oct. 2026
Verb
  • In May 2025, after Williams shut off the water in a cell, 10 inmates removed a toilet, crawled through a gap in the wall and scaled a fence out of the jail.
    — ABC News, ABC News, 15 Oct. 2026
  • At the hospital, an insect fell from the girl’s shoe, and a staffer saw a cockroach crawling on her, the district attorney’s office said.
    — Los Angeles Times, Los Angeles Times, 14 Oct. 2026
Verb
  • Resilient people experience life’s typical ups and downs, but their senses don’t overwhelm them.
    — Maia Szalavitz, Scientific American, 20 Oct. 2026
  • Swain settled in this preseason, showing an improved progression in his decision making when he was not overwhelmed by on-ball duties.
    — Julia Poe, Chicago Tribune, 17 Oct. 2026

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Cite this Entry

“Infest.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infest. Accessed 20 Oct. 2026.

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