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

With a nontoxic and moisturizing formula, the Luxury Lip Tints give you long-lasting hydration while adding a beautiful pop of color to your lips. —ABC News, 24 Mar. 2026

These pivotal memories of Clark and Floyd’s buddy romance amount to another darkly comic portrait of a nontoxic male friendship — complete with nontraditional definitions of manhood that place meaningful friendships over monolithic strength — all built on a foundation of lies and insecurities. —Andy Andersen, Vulture, 23 Mar. 2026

In most cases, it’s found in nontoxic amounts that have no lasting effect on the body. —Bestreviews, Mercury News, 18 Mar. 2026

Ahead, find the nontoxic sunscreens that dermatologists most recommend. —Jenny Berg, Vogue, 16 Mar. 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