noxious

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noxious

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• noctious (obsolete)

From Latin noxius (“hurtful, injurious”), from noxa (“hurt, injury”), from nocere (“to hurt, injure”); see nocent.

• (Received Pronunciation) IPA^(key): /ˈnɒkʃəs/

• Audio (Southern England):

  (file)

noxious (comparative more noxious, superlative most noxious)

1. Harmful; injurious.
   • 1822, John Barclay, chapter I, in An Inquiry Into the Opinions, Ancient and Modern, Concerning Life and Organization‎^[1], Edinburgh, London: Bell & Bradfute; Waugh & Innes; G. & W. B. Whittaker, section I, page 1:

     In the living state, the body is observed to […] reject what is noxious; [...]

   • 2014 June 14, “It's a gas”, in The Economist, volume 411, number 8891:

     [...] many old sewers have been neglected and are in dire need of repair. If that repair does not come in time, the result is noxious and potentially hazardous.

• harmful
• injurious
• scathing
• see also Thesaurus:harmful

• noxious stimulus
• noxious trade
• noxiously
• noxiousness

• “noxious”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• “noxious”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.
• “noxious”, in OneLook Dictionary Search.
• Douglas Harper (2001–2024) “noxious”, in Online Etymology Dictionary.