Thesaurus

noxious

Synonyms and 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 of noxious
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Antonyms of noxious

Synonym Discussion of noxious

pernicious, baneful, noxious, deleterious, detrimental mean exceedingly harmful. pernicious implies irreparable harm done through evil or insidious corrupting or undermining.
    • the claim that pornography has a pernicious effect on society
baneful implies injury through poisoning or destroying.
    • the baneful notion that discipline destroys creativity
noxious applies to what is both offensive and injurious to the health of a body or mind.
    • noxious chemical fumes
deleterious applies to what has an often unsuspected harmful effect.
    • a diet found to have deleterious effects
detrimental implies obvious harmfulness to something specified.
    • the detrimental effects of excessive drinking

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