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

While the baits are not harmful to pets, eating several may cause mild stomach upset.

— Dan Raby, CBS News, 7 Oct. 2026
The film primarily follows Frances Haugen (Mikey Madison), a Facebook employee in the company’s civic integrity team, the group tasked with making sure Facebook acts responsibly and avoids the harmful impacts of its product.

— Bilge Ebiri, Vulture, 7 Oct. 2026

Definition of harmful

Adjective

When threatening phone calls begin and a dangerous fugitive surfaces in town, Jenny grows suspicious of everyone around her as the danger begins closing in.

— Glenn Garner, Deadline, 11 Oct. 2026
One of the reasons being an actor is both dangerous and a privilege is that your job is to think about all the different roads your life could take, and all the people that live inside you, and all your potential.

— Sarah Larson, New Yorker, 11 Oct. 2026

Definition of dangerous

Adjective

Early detection is also instrumental to addressing chronic absenteeism, classroom misconduct and student disconnectedness detrimental to any learning environment.

— Vanessa Andersen, Chicago Tribune, 8 Oct. 2026
Brown was suspended for conduct detrimental to the team in 1997 and then was cut.

— ABC News, ABC News, 7 Oct. 2026

Definition of detrimental

Adjective

Gastrointestinal problems, such as nausea, were the most common adverse events, generally experienced as doses were increased.

— Mike McRae October 09, New Atlas, 10 Oct. 2026
The team’s findings, published last week in Nature Communications, reveal that, when given such a drug, rodents suffer adverse reactions similar to the paranoia human cannabis users feel.

— Cody Cottier, Scientific American, 7 Oct. 2026

Definition of adverse

Adjective

But for the most part, both are getting their points across, landing a few licks and, so far, avoiding the sort of major gaffe or damaging moment that could reshape the race.

— AJC.com, AJC.com, 7 Oct. 2026
The region stretching from North Dakota to Texas contains a large share of the country’s beef production, Hanson said, making prolonged drought there particularly damaging.

— Evan Moore, Charlotte Observer, 6 Oct. 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 14 Oct. 2026.

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Synonyms of nocuous

adjective

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