nontoxic

1 of 2

adjective

non·​tox·​ic ˌnän-ˈtäk-sik 

: not toxic

a nontoxic work environment

a nontoxic, biodegradable pesticide

nontoxic household cleaners

nontoxic

2 of 2

noun

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

Adjective

They’re made faster and with a nontoxic concrete mixture and can be custom-shaped for the ecosystems where they’re installed. — Dorany Pineda, Los Angeles Times, 23 Aug. 2026

They're made faster and with a nontoxic concrete mixture and can be custom shaped for the ecosystems where they're installed. — ABC News, 22 Aug. 2026

After the paint is completely dry, coat the handles with a nontoxic sealant, such as shellac. — Jodi Levine, Parents, 21 Aug. 2026

The Lovevery Play Gym Parents can feel safe with their baby rolling around and chewing on this play gym since it’s made from sustainable wood, organic cotton and nontoxic polyester. — Bestreviews, Mercury News, 19 Aug. 2026

Word History

First Known Use

Adjective

circa 1862, in the meaning defined above

Noun

1976, in the meaning defined above

Rhymes for nontoxic

• anoxic
• hypoxic
• antitoxic
• cytotoxic
• genotoxic
• nephrotoxic
• neurotoxic
• phytotoxic
• hepatotoxic
• toxic

Medical Definition

nontoxic

adjective

non·​tox·​ic -ˈtäk-sik 

1

: not toxic

nontoxic chemicals

2

of goiter : not associated with hyperthyroidism