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 Next, slowly approach the nest and apply the aerosol insecticide directly into the nest opening, following the product label’s instructions. — Michelle Mastro, Martha Stewart, 5 Aug. 2026 This powerful insecticide should never be applied directly on skin. — Emily Kay Votruba, EverydayHealth.com, 5 Aug. 2026 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 See All Example Sentences for insecticide

Recent Examples of Synonyms for insecticide

Noun

This January, the enforcement division noted in an industry bulletin that problems with that program persist, leading to recalls and advisories for unsafe levels of pesticides.

— Christopher Osher, ProPublica, 4 Sep. 2026
The researchers hope that in the future it will be used to identify counterfeit perfumes, detect pesticide contamination in olive oil, and offer better quality control across agriculture in general.

— Maryna Holovnova, New Atlas, 31 Aug. 2026

Definition of pesticide

Noun

Applying a systemic herbicide now will be more successful in killing the entire plant, above- and below-ground.

— Mary Marlowe Leverette, The Spruce, 4 Sep. 2026
See & Spray uses computer vision to distinguish weeds from crops and only sprays the weeds, cutting herbicide costs in half.

— Josh Brown,Sean Russo, CNBC, 3 Sep. 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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“Insecticide.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insecticide. Accessed 17 Sep. 2026.

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Synonyms of insecticide

noun

Example Sentences

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