Synonyms & Antonyms of noxious

1 bad for the well-being of the body
  • mixing bleach and ammonia can cause noxious fumes that can seriously harm you

Synonyms for noxious

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3 causing intense displeasure, disgust, or resentment
  • the website reserved the right to remove and report hate speech and other noxious types of postings

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Antonyms for noxious

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Frequently Asked Questions About noxious

How is the word noxious different from other adjectives like it?

Some common synonyms of noxious are baneful, deleterious, detrimental, and pernicious. While all these words mean "exceedingly harmful," noxious applies to what is both offensive and injurious to the health of a body or mind.

noxious chemical fumes

When is it sensible to use baneful instead of noxious?

The words baneful and noxious can be used in similar contexts, but baneful implies injury through poisoning or destroying.

the baneful notion that discipline destroys creativity

When would deleterious be a good substitute for noxious?

In some situations, the words deleterious and noxious are roughly equivalent. However, deleterious applies to what has an often unsuspected harmful effect.

a diet found to have deleterious effects

When could detrimental be used to replace noxious?

While the synonyms detrimental and noxious are close in meaning, detrimental implies obvious harmfulness to something specified.

the detrimental effects of excessive drinking

When might pernicious be a better fit than noxious?

The meanings of pernicious and noxious largely overlap; however, pernicious implies irreparable harm done through evil or insidious corrupting or undermining.

the claim that pornography has a pernicious effect on society

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Time Traveler for noxious

Time Traveler

The first known use of noxious was in the 15th century

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Cite this Entry

“Noxious.” Thesaurus, Merriam-Webster, Accessed 25 Jan. 2021.

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More from Merriam-Webster on noxious

Dictionary: Definition of noxious

Medical Dictionary: Definition of noxious

Nglish: Translation of noxious for Spanish Speakers

Britannica English: Translation of noxious for Arabic Speakers

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