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 The discoloration of the Cranberry March Drain, south of 17 Mile Road and west of Garfield Road, was caused by a nontoxic dye used to check for illicit sewage connections and discharges, county public works officials said in a news release. Christina Hall, Detroit Free Press, 22 Nov. 2021 Founder and clinical hypnotherapist Nancy Rothner takes a holistic approach to stress reduction, infusing nontoxic kneading dough with unique aromas like minty Refresh, cedarwood Chill, or fruity Sun, that are proven to relax the body. Kylie Logan, Fortune, 16 Nov. 2021 One of our favorite home goods brands is offering up to 20% off its best-selling nontoxic cookware sets, including the holiday-exclusive bundle in fire brick red and other giftable kitchen accessories. Talia Abbas, Glamour, 16 Nov. 2021 The cups are made from nontoxic, biodegradable material and come in a variety of colors. Los Angeles Times, 4 Nov. 2021 But research has shown there can be toxic and nontoxic versions blooming throughout the year, sometimes even coexisting in the same bloom. Arkansas Online, 24 Oct. 2021 And for us, a head of Boston lettuce—which normally wilts in the fridge within days—stayed nice and crisp even after a week and a half inside the Vejibag, which is made from nontoxic organic cotton that is free of dyes. Bon Appétit, 22 Oct. 2021 Our experts are also hard at work on our annual sustainability summit, Raise the Green Bar, held by the Good Housekeeping Institute and Made Safe, a nonprofit that celebrates nontoxic ingredients. Birnur Aral, Ph.d., Good Housekeeping, 16 Oct. 2021 But research has shown there can be toxic and nontoxic versions blooming throughout the year, sometimes even coexisting in the same bloom. Morgan Greene,, 15 Oct. 2021 Recent Examples on the Web: Noun According to Piomelli, one of the reasons cannabis is generally considered nontoxic is because its complex mix of compounds forms a sort of checks and balances system. Kaitlin Sullivan, NBC News, 28 June 2021 The company Little Tikes makes sturdy water tables (as well as a new-to-the-market product called the FOAMO Foam Machine, which produces a small mountain of nontoxic foam that can be used outdoors). New York Times, 29 May 2021

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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The first known use of nontoxic was circa 1862

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Last Updated

26 Nov 2021

Cite this Entry

“Nontoxic.” Dictionary, Merriam-Webster, Accessed 5 Dec. 2021.

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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

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Thesaurus: All synonyms and antonyms for nontoxic


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