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

The toys are beautifully made with nontoxic materials. —Adrienne So, Wired News, 17 May 2025

These engines, which the team says can carry safe and nontoxic propellant, work by the spacecraft passing an electric current through water to create stores of high-pressure hydrogen and oxygen. —Monisha Ravisetti, Space.com, 18 Apr. 2025

It’s made of nontoxic stainless steel and has a satisfyingly weighty, durable feel. —Francesca Krempa, Bon Appetit Magazine, 2 May 2025

Make Sentimental Artwork On a warm day, go outside and have your children (and anyone else who's game) place their hands and feet into a shallow tub of colorful, nontoxic paint. —Laura Broadwell, Parents, 1 May 2025

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