non·​tox·​ic | \ ˌnän-ˈtäk-sik How to pronounce nontoxic (audio) \

Definition of nontoxic

 (Entry 1 of 2)

: not toxic a nontoxic work environment a nontoxic, biodegradable pesticide nontoxic household cleaners


plural nontoxics

Definition of nontoxic (Entry 2 of 2)

: a nontoxic substance … began searching for nontoxics to control nematodes, insects and invasive species.— Don Curlee

Examples of nontoxic in a Sentence

Recent Examples on the Web: Adjective

Their silk is as strong as steel, stretchy, nontoxic and biodegradable. Prachi Patel, Scientific American, "Creating Synthetic Silk from Microbes," 1 Dec. 2018 His office also said two toxic chemicals were mixed into the spray, despite the company’s claims it is nontoxic. Los Angeles Times, "Company’s wildfire protection spray doesn’t work as advertised, prosecutors say," 6 Aug. 2019 The workshops will focus on plant identification, including seasonal indicators, nontoxic methods for controlling unwelcome invaders and ways to eradicate exotic plants without disturbing native flora that benefits songbirds and other wildlife., "Upcoming workshops help large landowners control invasive plants without chemicals," 1 Aug. 2019 All of the above products promise to be nontoxic, of course. Alden Wicker, Vox, "Could just-add-water products save us?," 30 July 2019 Wide-planked European oak floors were treated with a nontoxic oil finish., "2019 Street of Dreams: A new farmhouse with his and her sheds rises in Wilsonville," 1 Aug. 2019 There is one new addition to the menu: the 60-minute Honest facial, which features masks developed by Alba and nontoxic products from her line, Honest Beauty. Danielle Directo-meston, The Hollywood Reporter, "Hollywood Facialist Shani Darden Opens First Flagship Skin-Care Studio," 7 June 2019 But as long as fish gather around food, a net is cheaper, nontoxic and just as effective. Joanna Klein, New York Times, "Fish Cannons, Koi Herpes and Other Tools to Combat Invasive Carp," 4 June 2019 The fragrances within the line boast a clean bill of health, ticking the boxes on unisex, nontoxic, vegan, and cruelty-free, and all made from U.S. ingredients at her small facility in Culver City, California. Glamour, "I’m 25, Live in L.A., and Spend $3,124 on My Beauty Routine," 15 Apr. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nontoxic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of nontoxic


circa 1862, in the meaning defined above


1976, in the meaning defined above

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Statistics for nontoxic

Last Updated

1 Oct 2019

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Time Traveler for nontoxic

The first known use of nontoxic was circa 1862

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More Definitions for nontoxic



English Language Learners Definition of nontoxic

: not poisonous


non·​tox·​ic | \ -ˈtäk-sik How to pronounce nontoxic (audio) \

Medical Definition of nontoxic

1 : not toxic nontoxic chemicals
2 of goiter : not associated with hyperthyroidism

More from Merriam-Webster on nontoxic

Spanish Central: Translation of nontoxic

Comments on nontoxic

What made you want to look up nontoxic? Please tell us where you read or heard it (including the quote, if possible).


friendly or mild

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