noxious
adjective | /noxious/
Advanced WordsMEDIUM
physically harmful or destructive to living beings; very unpleasant
noxious
adjective | /noxious/
Advanced WordsMEDIUMphysically harmful or destructive to living beings; very unpleasant
Learning Progress
Synonyms
poisonousharmfulperniciousbaneful
Antonyms
innocuousharmlesssafe
Examples
"The factory emitted noxious fumes that forced evacuations."
"Noxious habits can damage health over time."
Mnemonic Trick
NOXIOUS → NOX (night) — harmful or poisonous, causing harm.
Etymology
From Latin noxius “hurtful, harmful.”
Used for poisonous or injurious substances or influences.
Source: Advanced WordsAdded: 9/28/2025
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