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

Social media giant Meta was hit with a class action lawsuit in Australia on behalf of children and teenagers who allegedly suffered harm over the addictive design features and exposure to harmful content on its platforms Facebook and Instagram.

— Chad de Guzman, Time, 22 Oct. 2026
Their contracts can run hundreds of pages, making harmful terms easy to bury.

— Emma Witman, Fortune, 21 Oct. 2026

Definition of harmful

Adjective

Swimmers should remain out of the water due to dangerous surf conditions.

— NC Weather Bot, Charlotte Observer, 18 Oct. 2026
Fresh to strong winds will produce dangerous boating conditions, high surf, life-threatening rip currents, and moderate beach erosion through at least the first half of the coming week, forecasters said.

— Felix Rodriguez, The Orlando Sentinel, 18 Oct. 2026

Definition of dangerous

Adjective

Hyperscalers opine on how detrimental electrical outages are to their business.

— Drew Robb, Time, 15 Oct. 2026
Kennon, who is currently being held in Falkenburg Road Jail, was released from the program due to conduct detrimental to the team, the school said.

— Ryan Morik OutKick, FOXNews.com, 14 Oct. 2026

Definition of detrimental

Adjective

In fact, the National Trust for Historic Preservation says the nationwide average for a review is 16 days, and that 98% of those reviews conclude that the project will have no adverse effect on nearby historic resources.

— Rachel Treisman, NPR, 15 Oct. 2026
High prices also a factor But despite positive weather news and whispers of an abundance of crab, other factors could affect prices in adverse ways for consumers.

— Miami Herald, Miami Herald, 15 Oct. 2026

Definition of adverse

Adjective

Trump could decide that appearing powerless as Iranian attacks push up prices is more damaging than another round of military strikes.

— Ali Vaez, Time, 21 Oct. 2026
Lycopene can help protect blood vessels from the damaging effects of unstable molecules known as free radicals.

— MD Published, Verywell Health, 17 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 23 Oct. 2026.

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Synonyms of nocuous

adjective

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