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

These ads seem to violate federal child pornography laws, since the Justice Department has clarified that AI CSAM is just as harmful as CSAM.

— Ashley Belanger, ArsTechnica, 8 Sep. 2026
Long-term inflammation in the body can be harmful to your overall health.

— Sunny Sea Gold, HEALTH, 7 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

The storm brought damaging winds and heavy rainfall to the islands of Kauai and Oahu, with the Hawaii Emergency Management Agency reporting widespread power outages on both islands.

— Gabe Hauari, USA Today, 9 Sep. 2026
The main threat will be strong and damaging wind gusts from downbursts, the weather service said.

— Kansas City Star, Kansas City Star, 9 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 10 Sep. 2026.

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Synonyms of nocuous

adjective

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