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
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for nocuous
Adjective
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The plasma process also produced very little smoke or tar, reducing harmful secondary pollutants typically associated with biomass conversion and making the technology a cleaner way to produce renewable solid fuel.
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At the same time, its flowers attract beneficial predatory insects, such as ladybugs and parasitic wasps, that naturally hunt harmful garden pests.
Adjective
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Others develop dangerous fluctuations in blood pressure and abnormal heart rhythms because the autonomic nervous system becomes affected.
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Sometimes, the streets appear glittering; other times, seedy and dangerous.
Adjective
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And beneath the surface of those turquoise waters, marine life continues on without knowing their life is colliding in detrimental-to-them ways.
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Substance abuse is greatly detrimental in its own right, of course, but sometimes the issues that stem from it—stress, emotional exhaustion, secrecy, avoidance—can have similarly devastating long-term effects on a person’s wellbeing.
Adjective
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In pharmacogenomics, understanding how genes affect drug efficacy helps doctors prescribe the right drug at the optimal dose while reducing adverse reactions.
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Johnson was undone by revelations of his conduct during Covid lockdowns and Truss by the adverse market reaction to her 2022 mini-Budget.
Adjective
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Each specimen was weighed and put in the same-sized containers filled with superworm larvae to determine the optimal ratio of larvae to specimen for thorough cleaning without damaging bones.
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And such a gap can be far more damaging than any technology shortfall.
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Cite this Entry
“Nocuous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nocuous. Accessed 5 Jul. 2026.
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