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

Several dietary supplements were recalled in July because of possible undeclared prescription drugs, harmful bacteria or allergens.

— Angela Rodriguez, Sacbee.com, 4 Aug. 2026
The air district is warning residents that wildfire smoke contains fine particulate matter and other harmful pollutants, adding that exposure is unhealthy, even for short periods of time.

— Tim Fang, CBS News, 4 Aug. 2026

Definition of harmful

Adjective

The reduction in state investments and holding back promised funding to cover our faculty raises will have detrimental consequences to our institution, to us as students, and to the state’s future health care workforce.

— Opinion, Hartford Courant, 5 Aug. 2026
This development was approved after years of environmental studies and reviews by multiple state regulatory agencies and the Pittsburg City Council that concluded that there was no detrimental impact on the environment.

— CBS News, CBS News, 5 Aug. 2026

Definition of detrimental

Adjective

And the very review of the arch that identified its adverse effects is in the crosshairs of the administration.

— Edward Keegan, Chicago Tribune, 9 Aug. 2026
The Coastal Commission is widely expected to take any adverse ruling to court, potentially arguing that the federal government can’t deny a state its fundamental rights — in this case, a say over projects that affect its economy — over politics.

— Andre Mouchard, Oc Register, 9 Aug. 2026

Definition of adverse

Adjective

Several rounds of showers and thunderstorms are expected Wednesday into Thursday morning, with a few storms capable of damaging winds and heavy downpours, the National Weather Service said.

— Kansas City Star, Kansas City Star, 5 Aug. 2026
A couple of those storms could become severe, with damaging winds and torrential downpours.

— Rachael Jay, CBS News, 5 Aug. 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 11 Aug. 2026.

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Synonyms of nocuous

adjective

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