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
Recent Examples on the Web
Caley Sturgill, Southern Living, 18 Jan. 2026
The acidic properties of this inexpensive, nontoxic, and eco-friendly household cleaner help to break down grease, loosen dried-on food, and neutralize funky odors.
—Gemma Johnstone, The Spruce, 10 Jan. 2026
This Sculpey Clay is also highly malleable and features a nontoxic formula.
—Bestreviews, Mercury News, 8 Jan. 2026
It’s made of pine with a nontoxic, weather-resistant coating.
—Dallas Morning News, 6 Jan. 2026
See All Example Sentences for nontoxic
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Adjective
If your utensils have worn out their welcome, swap them with these nontoxic tools to cook without worries.
—Caley Sturgill, Southern Living, 18 Jan. 2026
The acidic properties of this inexpensive, nontoxic, and eco-friendly household cleaner help to break down grease, loosen dried-on food, and neutralize funky odors.
—Gemma Johnstone, The Spruce, 10 Jan. 2026
This Sculpey Clay is also highly malleable and features a nontoxic formula.
—Bestreviews, Mercury News, 8 Jan. 2026
It’s made of pine with a nontoxic, weather-resistant coating.
—Dallas Morning News, 6 Jan. 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 26 Jan. 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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