INSECTICIDE Synonyms: 20 Similar and Opposite Words

insecticide

noun

Definition of insecticide

as in pesticide

Related Words

Relevance

Dissimilar Words

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 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

These plants were grown without herbicides, pesticides, or fungicides.

— Brad Japhe, Forbes.com, 30 Aug. 2026
Blakespear said the definition was broad enough to encompass a wide range of heavy industrial uses, including chemical, plastics and pesticide manufacturing and strip mining.

— Naomi Taxay, Sacbee.com, 29 Aug. 2026

Definition of pesticide

Noun

These plants were grown without herbicides, pesticides, or fungicides.

— Brad Japhe, Forbes.com, 30 Aug. 2026
But as post-WWII agriculture shifted toward chemical fertilizers, herbicides, and heavy machinery, the need for kudzu decreased rapidly, and the federal government retracted its support for the crop.

— The Editors, JSTOR Daily, 26 Aug. 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

Browse Nearby Words

insect

insecticide

insecticides

See all Nearby Words

Cite this Entry

Style

“Insecticide.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insecticide. Accessed 5 Sep. 2026.

Copy Citation

Synonyms of insecticide

noun

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster on insecticide

More from Merriam-Webster

Word of the Day

matriculate

Popular in Grammar & Usage

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

A List of Most Commonly Confused Words

Why do we use apostrophes to show possession?

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Popular in Wordplay

The Longest Long Words List

Stay Woke

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

The Words of the Week - Sept. 4

Popular

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

The Longest Long Words List

Stay Woke

Games & Quizzes