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 One common medicinal use is as an insecticide on the head and the feet. — Frannie Comstock, Encyclopedia Britannica, 30 June 2026 Spraying your yard with an insecticide specifically formulated for mosquitoes should only be done in extreme cases. — Caroline Lubinsky, Martha Stewart, 27 June 2026 Apply an insecticide and minor nutrient spray to citrus trees at each flush of new growth. — Tom MacCubbin, The Orlando Sentinel, 27 June 2026 An inspection found traces of the insecticide phosphine gas on towels, masks and swab samples taken from the hotel. — CBS News, 26 June 2026 See All Example Sentences for insecticide

Recent Examples of Synonyms for insecticide

Noun

Most landscapes do not need pesticides to thrive, so put away the chemicals.

— Janet Loehrke, USA Today, 5 July 2026
Earth-friendly gardeners strive to manage our gardens without pesticides.

— Rita Perwich, San Diego Union-Tribune, 4 July 2026

Definition of pesticide

Noun

The plant also can be controlled by applying a nonselective herbicide, but that will not save digging.

— Beth Botts, Chicago Tribune, 5 July 2026
Ahead, gardening experts share their tips for using baking soda as an all-natural herbicide, plus additional methods that work just as well.

— Madeline Buiano, Martha Stewart, 4 July 2026

Definition of herbicide

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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Style

“Insecticide.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insecticide. Accessed 18 Jul. 2026.

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Synonyms of insecticide

noun

Example Sentences

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