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

In essence, adaptogens are plants that are nontoxic at regular doses and can help your body return to homeostasis, its natural state of equilibrium. —Jp Shaffer, Kansas City Star, 5 Aug. 2025

The unit can be paired with Off the Deck’s nontoxic, biodegradable balls and FunAir’s inflatable golf nets. —Nicole Hoey, Robb Report, 10 June 2025

Children’s baskets can include a mix of crafting activities and accessories, like stamps, stickers, nontoxic paint palettes, and painter’s aprons. —Sophia Beams, Better Homes & Gardens, 15 Apr. 2025

For foam mats, be sure the mat is nontoxic and BPA-free. —Bestreviews, Mercury News, 11 Apr. 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