INSECTICIDE Synonyms: 20 Similar and Opposite Words

insecticide

noun

Definition of insecticide

as in pesticide

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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 insecticide That building has since had two temporary closures for inspection and insecticide applications. — Paula Wethington, CBS News, 19 Aug. 2026 There is also a late-summer timeframe when an insecticide can be applied to control the insect in its crawler stage. — Tim Johnson, Chicago Tribune, 15 Aug. 2026 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 See All Example Sentences for insecticide

Recent Examples of Synonyms for insecticide

Noun

According to the Clean Label report, wet or air-dried products are preferable to dry food for lower lead exposure, while avoiding foods with plants in the top 10 ingredients may lower pesticide exposure.

— Sandee LaMotte, CNN Money, 2 Oct. 2026
Introduced crawling through the Trask family’s field, her black blood spattering their rich soil like a human pesticide, Cathy personifies the series’ potent blend of dread and beauty.

— Ben Travers, IndieWire, 1 Oct. 2026

Definition of pesticide

Noun

His opponent is the incumbent, Mike Naig, a former lobbyist for Monsanto, the industrial giant that marketed Roundup, a weed killer that in some cases contains the controversial herbicide glyphosate.

— Peter Slevin, New Yorker, 21 Sep. 2026
Months before the cancer diagnoses became a public issue, Creek Team OC, a small grassroots organization, was already campaigning against herbicide spraying in local waterways, arguing chemicals were harming creek ecosystems.

— Julia Vargas Jones, CNN Money, 20 Sep. 2026

Definition of herbicide

Noun

Both can be treated by improving soil structure, enhancing drainage, adjusting watering practices, or treating affected plants with a fungicide, says Vasylchyshyna.

— Michelle Mastro, Martha Stewart, 26 Sep. 2026
If pests or diseases like fungal infections are to blame, the next step is to apply an appropriate fungicide or natural pesticide.

— The Spruce, The Spruce, 8 Sep. 2026

Definition of fungicide

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

Browse Nearby Words

insect

insecticide

insecticides

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Style

“Insecticide.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insecticide. Accessed 7 Oct. 2026.

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Synonyms of insecticide

noun

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