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 Officials said two cars were leaking ethanol and one car was leaking nonhazardous corn syrup. — Ralph Green, Houston Chronicle, 18 Mar. 2026 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 See All Example Sentences for nonhazardous

Recent Examples of Synonyms for nonhazardous

Adjective

What began years ago as a war for influence in Yemen between Iran and Saudi Arabia has now escalated to a challenge to maritime law rooted in guarantees for harmless passage of commercial ships.

— the Monitor's Editorial Board, Christian Science Monitor, 7 Oct. 2026
An avid runner and golfer fit and trim enough to pass for a man a decade younger, the silver-haired Claire was diagnosed with squamous cell carcinoma in 2015 when what looked like a harmless spot on his lip turned out to be cancerous.

— Los Angeles Times, Los Angeles Times, 6 Oct. 2026

Definition of harmless

Adjective

According to MoDOT, the full closure will allow construction to be completed quicker, safer and more cost-effectively than keeping lanes open.

— Eleanor Nash, Kansas City Star, 6 Oct. 2026
Plus, its 18-inch USB cable ensures a fast, stable connection while also being long enough to keep the HDD at a safe distance.

— George Yang, PC Magazine, 6 Oct. 2026

Definition of safe

Adjective

My main issue with these beloved and mostly innocuous $16 drinking glasses is less about their design and more about their never-ending trail of replicas.

— Francesca Krempa, Bon Appetit Magazine, 9 Oct. 2026
This has made some machine translations comically inaccurate, sometimes turning innocuous words into vulgar references in English.

— Mohammed Sergie, semafor.com, 8 Oct. 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

Since then, Verity had been faking her vegetative state in order to … that part doesn’t entirely make sense, but the point is Lowen and Jeremy killed an innocent woman.

— Bethy Squires, Vulture, 5 Oct. 2026
The suspects are innocent unless proven guilty by proof beyond a reasonable doubt.

— Voice of the People, New York Daily News, 4 Oct. 2026

Definition of innocent

Adjective

Put Hill’s connection with the Chiefs aside from a moment and even still the signing would be beneficial for a team that still has Super Bowl aspirations.

— Miami Herald, Miami Herald, 5 Oct. 2026
Most high risk drugs have a narrow range of a beneficial dose, and concentrations beyond this can cause significant harm to the patient.

— Esha Desai, Hartford Courant, 4 Oct. 2026

Definition of beneficial

Browse Nearby Words

nonhardy

nonhazardous

nonhereditary

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“Nonhazardous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nonhazardous. Accessed 12 Oct. 2026.

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Synonyms of nonhazardous

adjective

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