NONHAZARDOUS Synonyms: 30 Similar and Opposite Words

nonhazardous

adjective

Definition of nonhazardous

as in harmless

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of nonhazardous The material spilled is nonhazardous food waste, said spokesperson Pam Witmer, not sewage. — Matthew Cupelli, Cincinnati Enquirer, 10 Jan. 2026 But the nonhazardous result means that trucking away the mound could cost within the mid-six-figure range. — Jake Goodrick, Sacbee.com, 12 June 2025 Judge Reiss agreed the samples were nonhazardous and nonliving, and didn’t present a threat. — Eduardo Cuevas, USA Today, 12 June 2025 Because disaster debris is traditionally considered not hazardous, federal contractors have been hauling this material to several nonhazardous local landfills without testing it. — Tony Briscoe, Los Angeles Times, 16 May 2025 See All Example Sentences for nonhazardous

Recent Examples of Synonyms for nonhazardous

Adjective

His nearly fatal ordeal began when a seemingly harmless lump on his cheek continued to grow.

— Bryan Alexander, USA Today, 8 Aug. 2026
Developed in 1916 and widely used by the 1940s, QACs — like bisphenols — were long assumed harmless when used as directed.

— Sandee LaMotte, CNN Money, 7 Aug. 2026

Definition of harmless

Adjective

Angry crowds have torched Ebola treatment centers, stormed hospitals to retrieve relatives’ bodies and attacked teams carrying out safe burials.

— ABC News, ABC News, 7 Aug. 2026
When a disinfectant is necessary, Hunt and other experts say products with citric acid, hydrogen peroxide and ethyl alcohol, such as alcohol wipes, are safer alternatives.

— Sandee LaMotte, CNN Money, 7 Aug. 2026

Definition of safe

Adjective

But many social media platforms have become overly reliant on AI modding tools that have been quick to penalize users for innocuous content.

— Scharon Harding, ArsTechnica, 6 Aug. 2026
While a young child predicting that robots will one day do their homework might seem pretty innocuous, the same kind of tools can be used for far more nefarious purposes.

— Victor Tangermann, Futurism, 6 Aug. 2026

Definition of innocuous

Adjective

Instead of the industrial look favored by many rival robots, NEO is notable for its aggressively nonthreatening appearance.

— James Vincent, Harpers Magazine, 30 Dec. 2025
Here, grizzlies don’t equate people with food—as opposed to populated areas where alluring smells forge a connection—and have learned to tolerate humans, thanks to decades of naturalists adopting nonthreatening practices.

— Susan Portnoy, AFAR Media, 3 Oct. 2025

Definition of nonthreatening

Adjective

Türkiye, in Australia’s first match, had been sluggish and unthreatening.

— Naaman Zhou, New Yorker, 1 July 2026
Lack of efforts to provide corrective knowledge about the unthreatening reality of TMI and the unique Soviet circumstances of the Chernobyl accident encouraged widespread belief that nuclear represented an essentialist threat to public safety.

— Scott Montgomery, Forbes.com, 9 June 2026

Definition of unthreatening

Adjective

For the Lower 48 states, this is an example of a potentially beneficial El Niño influence.

— Andrew Freedman, CNN Money, 4 Aug. 2026
Companion planting with flowering plants, like yarrow, zinnias, and sunflowers, attracts beneficial insects that naturally control pests.

— Lauren Landers, The Spruce, 4 Aug. 2026

Definition of beneficial

Browse Nearby Words

nonhardy

nonhazardous

nonhereditary

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Style

“Nonhazardous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nonhazardous. Accessed 9 Aug. 2026.

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Synonyms of nonhazardous

adjective

Example Sentences

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