non·​tox·​ic | \ ˌnän-ˈtäk-sik How to pronounce nontoxic (audio) \

Definition of nontoxic

 (Entry 1 of 2)

: not toxic a nontoxic work environment a nontoxic, biodegradable pesticide nontoxic household cleaners


plural nontoxics

Definition of nontoxic (Entry 2 of 2)

: 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 nontoxic ceramic coating is made without PFOAs, PTFEs, other PFAs, lead, cadmium, toxic metals and nanoparticles. oregonlive, "Is your kitchen equipped for the holidays? Huge sales on big appliances to cool tools will inspire home chefs," 13 Nov. 2020 But researchers say it’s nontoxic and, if effective, could function like a daily vaccine. Eve Sneider, Wired, "An Election Week Case Surge, Vaccine Progress, and More Coronavirus News," 6 Nov. 2020 Avocado Green natural mattresses are made of nontoxic organic latex, organic wool, organic cotton and up to 1,414 pocketed support coils. oregonlive, "Bedtime not restful? Here are the best mattresses for couples, says Consumer Reports," 28 Oct. 2020 After every event, the theater is disinfected with an electrostatic fogging machine to dispense nontoxic disinfectant to ensure that every surface, including fabric, has been disinfected. Mary Colurso |, al, "Alabama Theatre’s holiday film series returns in December," 23 Oct. 2020 This leakproof, dishwasher-safe stand-up storage bag is both eco-friendly and nontoxic. NBC News, "Amazon Prime Day 2020: Best sales and deals to shop now," 14 Oct. 2020 Although some retailers demand an expensive in-store presence, Macy’s let Kitiya King, founder of Mischo Beauty, sell her nontoxic nail polishes only online at her insistence. Gerald Porter Jr.,, "The 15% Pledge Is a Mixed Blessing for Black Beauty Brands," 24 Sep. 2020 And since it’s a nontoxic solution, patients shouldn’t experience adverse affects. Kavita Kumar, Star Tribune, "Minnesota Cup winner pioneers new solution to preserve therapeutic cells," 23 Sep. 2020 Miraposa blanket and throw (starting at $148) are made of super-soft organic cotton grown in Turkey, colored with nontoxic dyes of bone, aqua and gray, and woven with stripes in Germany. oregonlive, "It’s the season of slippers: 5 snuggly items to pamper you as the temperature drops," 17 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nontoxic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of nontoxic


circa 1862, in the meaning defined above


1976, in the meaning defined above

Keep scrolling for more

Learn More about nontoxic

Time Traveler for nontoxic

Time Traveler

The first known use of nontoxic was circa 1862

See more words from the same year

Statistics for nontoxic

Last Updated

25 Nov 2020

Cite this Entry

“Nontoxic.” Dictionary, Merriam-Webster, Accessed 26 Nov. 2020.

Keep scrolling for more

More Definitions for nontoxic


How to pronounce nontoxic (audio)

English Language Learners Definition of nontoxic

: not poisonous


non·​tox·​ic | \ -ˈtäk-sik How to pronounce nontoxic (audio) \

Medical Definition of nontoxic

1 : not toxic nontoxic chemicals
2 of goiter : not associated with hyperthyroidism

More from Merriam-Webster on nontoxic

Thesaurus: All synonyms and antonyms for nontoxic

Comments on nontoxic

What made you want to look up nontoxic? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

A Thanksgiving Word Quiz

  • a traditional thanksgiving dinner
  • November comes from a word for which of the following numbers?
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!