INSECTICIDE Synonyms: 20 Similar and Opposite Words

insecticide

noun

Definition of insecticide

as in pesticide

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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 insecticide Apply a minor nutrient spray and insecticide to citrus at each flush of new growth. — Tom MacCubbin, The Orlando Sentinel, 1 Aug. 2026 Last month, Alameda County stepped up mosquito abatement by spraying insecticide in Newark after five birds tested positive for West Nile virus there. — Grant Stringer, Mercury News, 29 July 2026 Check the package directions for how to use each insecticide correctly. — Karen Brewer Grossman, Southern Living, 27 July 2026 It’s not typically recommended as an insecticide for vegetable gardens. — Farima Ferguson, The Spruce, 15 July 2026 See All Example Sentences for insecticide

Recent Examples of Synonyms for insecticide

Noun

Some areas and cities, including New York, spray pesticides to try to prevent the spread of the virus.

— Mary Randolph, Scientific American, 21 Aug. 2026
Previously, the state Department of Agriculture interpreted that to mean that outdoor growing was prohibited, citing concerns over security and agricultural pesticides drifting into marijuana crops.

— Robert McCoppin, Chicago Tribune, 20 Aug. 2026

Definition of pesticide

Noun

Researchers found that 40% of the 97 participants had higher concentrations of a toxicant associated with the defunct LCP Chemicals plant than the national average.

— CBS News, CBS News, 12 June 2026
The ash from open burning can also contaminate soil and groundwater with persistent organic pollutants, heavy metals and other toxicants, creating more chances for people to be exposed to them through food and water.

— Ellen M. Considine, The Conversation, 2 June 2026

Definition of toxicant

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insect

insecticide

insecticides

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“Insecticide.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insecticide. Accessed 27 Aug. 2026.

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Synonyms of insecticide

noun

Example Sentences

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