non·tox·ic | \ˌnän-ˈtäk-sik \

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

In the final reckoning, nontoxic aphids fared very poorly when the Asian lady beetles were around, as did other ladybugs. Veronique Greenwood, New York Times, "Ladybugs, Aphids and the Toxic Combat That Might Be Happening in Your Garden," 1 June 2018 Cheap, nontoxic and readily available, vinegar is one of my favorite go-to household cleaners. Heloise, Houston Chronicle, "Jam, jelly … what's the difference?," 11 July 2018 Certainly poisonous plants, like certain types of lilies, daisies and azaleas, pose a much bigger threat than nontoxic plants, like roses, bamboo or baby’s breath. Michelle Higgins, New York Times, "Dogs and Cats and Decorating: It’s Easier Than You Think," 1 May 2018 But Elmer’s doesn’t dry the right way and is inedible, if nontoxic. Tamar Adler, Vogue, "What Statement Should Your Wedding Cake Make?," 17 May 2018 Certainly poisonous plants, like certain types of lilies, daisies and azaleas, pose a much bigger threat than nontoxic plants, like roses, bamboo or baby’s breath. Michelle Higgins, sacbee, "Limit the impact that dogs, cats unleash on orderliness | The Sacramento Bee," 25 May 2018 Choose a naturally rot-resistant wood such as cedar or locust, or use pine treated with a nontoxic preservative. The Editors Of Organic Life, Good Housekeeping, "Everything You Need To Know About Container Gardening," 1 June 2017 This happened in the Napa Valley Speed Golf Challenge, a charity event benefiting nontoxic lymphoma treatment research. Ron Kroichick, San Francisco Chronicle, "In praise of finishing par-5s after Lydia Ko’s Sunday at Lake Merced," 3 May 2018 Aww Baby Organics carries organic cotton clothing for children from birth through size 4 in addition to nontoxic and eco-friendly toys made out of materials like recycled milk jugs. Valerie Bonk, Howard County Times, "Aww Baby Organics brings eco-friendly kids' products to Savage Mill," 2 May 2018

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

17 Sep 2018

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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


non·tox·ic | \-ˈtäk-sik \

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

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