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

Read on to learn the various nontoxic methods, many of which target more than one type of flying pest, to boot. — Sheila Kim, The Spruce, 24 May 2026

The testing also showed that after a time, the chromium reverted back to nontoxic form. — Tony Briscoe, Los Angeles Times, 4 June 2026

Scroll on for more stunning cookware, including a ceramic casserole dish, a nontoxic stock pot, and a handy bread loaf pot. — Mariana Best, Better Homes & Gardens, 16 May 2026

Made from soft, flexible, vegan, and nontoxic silicone, these durable bags are designed to handle everything from errands to evenings out. — ABC News, 2 July 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