NOCUOUS Synonyms: 90 Similar and Opposite Words

nocuous

adjective

ˈnä-kyə-wəs

Definition of nocuous

as in harmful

causing or capable of causing harm hand washing is one of the easiest ways to help prevent the spread of nocuous germs

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Recent Examples of Synonyms for nocuous

Adjective

Unresolved issues run the gamut, from antitrust protections to chip export controls to whether existing consumer laws are sufficient to protect people from harmful AI.

— Ashley Gold, semafor.com, 15 Sep. 2026
For example, California Governor Gavin Newsom recently signed multiple AI bills into law, including Adam's Law, which requires AI chatbot makers to protect minors from harmful interactions.

— Lora Kolodny,Jonathan Vanian, CNBC, 15 Sep. 2026

Definition of harmful

Adjective

Never mix vinegar with bleach, as the combination can create dangerous chlorine gas.

— The Spruce, The Spruce, 20 Sep. 2026
As the news of the helicopter crash spread, media crews from the bus accident scene began rushing to the helicopter site and were told by law enforcement to evacuate because the situation was too dangerous, NBC4 footage showed.

— Dalia Faheid, CNN Money, 20 Sep. 2026

Definition of dangerous

Adjective

But more than the cost of removing mold and mildew, this bacteria can be detrimental to your health as well.

— Ashlyn Needham, Southern Living, 19 Sep. 2026
But those pressures were nonetheless, for the most part, detrimental to Dunham personally, to her artistic development, and to the inspirations that made the series so exciting at first.

— Richard Brody, New Yorker, 19 Sep. 2026

Definition of detrimental

Adjective

The ultimate distinction, Raji said, is whether an adverse finding produces consequences.

— Barbara Booth, CNBC, 16 Sep. 2026
Rather than fight an injunction motion — and potentially be forced to appeal an adverse ruling — Paramount chose instead to concede the issue and concentrate its trial defense.

— Gene Maddaus, Variety, 15 Sep. 2026

Definition of adverse

Adjective

Analysts who have followed Saab’s relationship with Maduro have said his testimony could be particularly damaging if prosecutors call him as a witness at Maduro’s narcoterrorism trial in New York.

— Antonio Maria Delgado, Miami Herald, 15 Sep. 2026
The storms carry a limited damaging wind risk of up to 60 mph, officials said.

— Deanese Williams-Harris, Chicago Tribune, 15 Sep. 2026

Definition of damaging

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nocturnal

nocuous

nod

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“Nocuous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nocuous. Accessed 22 Sep. 2026.

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Synonyms of nocuous

adjective

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