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

The most dangerous place on the field in the third quarter was your own 38 yard line!

— Stewart Mandel, New York Times, 7 Sep. 2026
ShotSpotter offers targeted detection of a dangerous event versus technology like Flock's indiscriminate collection of innocent people's movements.

— Arkansas Online, Arkansas Online, 7 Sep. 2026

Definition of dangerous

Adjective

Being a tenant may limit priority over game scheduling too, which could be detrimental for potential media rights negotiations.

— Melanie Anzidei, New York Times, 4 Sep. 2026
The wet-dry cycle that works well for other houseplants is detrimental to the Venus flytrap.

— Andy Wilcox, Better Homes & Gardens, 29 Aug. 2026

Definition of detrimental

Adjective

The Ukraine international forward last played a competitive match for Chelsea in November 2024, and has been suspended under anti-doping rules after an adverse finding in a urine sample.

— Cerys Jones, New York Times, 5 Sep. 2026
Instead, she was given a spate of different medications over a matter of months to treat her symptoms or the adverse reactions to some of the medications.

— Marlene Lenthang, NBC news, 4 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 19 Sep. 2026.

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Synonyms of nocuous

adjective

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