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non·​tox·​ic ˌnän-ˈtäk-sik How to pronounce nontoxic (audio)
: not toxic
a nontoxic work environment
a nontoxic, biodegradable pesticide
nontoxic household cleaners


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plural nontoxics
: 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
Kim Jae-Hwan/SOPA Images/LightRocket via Getty Images Kerosene and liquid oxygen are nontoxic and more fuel-efficient. Stephen Clark, Ars Technica, 11 June 2024 Some trees in Big Oak Canyon are being treated with an experimental nontoxic limewash, while others are receiving pesticides. Lila Seidman, Los Angeles Times, 28 May 2024
The set is made from high-quality nontoxic PE materials, with comfortable ergonomic handles. Kathleen Willcox, Popular Mechanics, 22 July 2022 But what exactly does nontoxic or healthy nail polish mean? Lindsay Schallon, Glamour, 20 July 2022 See all Example Sentences for nontoxic 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'nontoxic.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use


circa 1862, in the meaning defined above


1976, in the meaning defined above

Time Traveler
The first known use of nontoxic was circa 1862

Dictionary Entries Near nontoxic

Cite this Entry

“Nontoxic.” Dictionary, Merriam-Webster, Accessed 13 Jul. 2024.

Medical Definition


non·​tox·​ic -ˈtäk-sik How to pronounce nontoxic (audio)
: not toxic
nontoxic chemicals
of goiter : not associated with hyperthyroidism

More from Merriam-Webster on nontoxic

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