non·tox·ic
ˌnän-ˈtäk-sik 
: not toxic
a nontoxic work environment
a nontoxic, biodegradable pesticide
nontoxic household cleaners
plural nontoxics
: a nontoxic substance
… began searching for nontoxics to control nematodes, insects and invasive species.—
Don Curlee
Don CurleeExamples of nontoxic in a Sentence
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ABC News, 14 May 2026
Spider plants are also considered nontoxic for dogs and cats.
—Emily Hayes, Martha Stewart, 8 May 2026
What are the best nontoxic/organic ways to treat ants?
—Charlotte Maracina, USA Today, 30 Apr. 2026
Juice Beauty Stem Cellular CC Cream SPF 30 Another outstanding clean-beauty pick, this nontoxic CC cream is packed with organic ingredients beneficial to aging skin.
—Bestreviews, Mercury News, 22 Apr. 2026
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Adjective
From simmering to sauteing to frying, the Essentials Cookware Sets cover every burner with advanced nontoxic nonstick coating and a timeless-meets-modern design.
—ABC News, 14 May 2026
Spider plants are also considered nontoxic for dogs and cats.
—Emily Hayes, Martha Stewart, 8 May 2026
What are the best nontoxic/organic ways to treat ants?
—Charlotte Maracina, USA Today, 30 Apr. 2026
Juice Beauty Stem Cellular CC Cream SPF 30 Another outstanding clean-beauty pick, this nontoxic CC cream is packed with organic ingredients beneficial to aging skin.
—Bestreviews, Mercury News, 22 Apr. 2026
See All Example Sentences for nontoxic
Cite this Entry
“Nontoxic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nontoxic. Accessed 18 May. 2026.
Copy CitationMedical Definition
nontoxic
adjective
non·tox·ic
-ˈtäk-sik
1
: not toxic
nontoxic chemicals
2
of goiter
: not associated with hyperthyroidism
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