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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

Example Sentences

Recent Examples on the Web
Silk is nontoxic, withstands processing and can be sourced from low-quality fiber discarded by the textile industry, says M.I.T. engineer and study co-author Benedetto Marelli. Ysabelle Kempe, Scientific American, 1 Nov. 2022 Collagen is regarded as a safe and nontoxic everyday supplement for healthy people, with the exception of those with certain allergies or other medical issues that require more stringent precautions. Amber Smith, Discover Magazine, 23 Mar. 2022 Avocado Green natural mattresses are made of nontoxic organic latex, organic wool, organic cotton and up to 1,414 pocketed support coils. oregonlive, 28 May 2021 All the parts are nontoxic and glue-free, and everything comes packed inside a gift box, so there’s no extra Easter basket-wrapping necessary. Rachel Klein, Popular Mechanics, 16 Mar. 2023 The pan has a sturdy aluminum body that enables it to heat quickly and cook food evenly, and it's lined with a nonstick, nontoxic ceramic coating. Alex Warner, Peoplemag, 11 Aug. 2022 Research already shows that perovskite cells based on nontoxic metals like tin or germanium are approaching the efficiency of the ones with lead. Conor Prendergast, Discover Magazine, 14 Dec. 2020 Loni Bio Laundry Detergent has become the best nontoxic laundry detergent on the market. Amber Smith, Discover Magazine, 2 Apr. 2023 With that said, some companies are using polyester responsibly, testing for harmful substances and certifying the product nontoxic. Jennifer Carmichael, Better Homes & Gardens, 26 Jan. 2023
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 The Always Pan and Perfect Pot both have exclusive nontoxic, nonstick ceramic coating made without potentially toxic materials like PFOAs, PTFEs, other PFAs, lead, cadmium and toxic metals. al, 12 May 2022 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 See More

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 8 Jun. 2023.

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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