Definition of noxious in English:

noxious

Line breaks: nox|ious
Pronunciation: /ˈnɒkʃəs
 
/

adjective

Harmful, poisonous, or very unpleasant: they were overcome by the noxious fumes
More example sentences
  • The closer I got to her room, the stronger I could smell the noxious fumes.
  • Luckily I smelled the noxious fumes, ran upstairs and managed to extinguish it.
  • Visitors have to contend with toxic gases, noxious fumes, and showers of hot ash.
Synonyms
poisonous, toxic, deadly, virulent;
harmful, dangerous, pernicious, damaging, destructive, environmentally unfriendly;
very unpleasant, nasty, disgusting, awful, dreadful, horrible, terrible, vile, revolting, foul, sickening, nauseating, nauseous, appalling, offensive, foul-smelling, evil-smelling, malodorous, fetid, putrid, rancid, unwholesome, unhealthy, insalubrious
informal ghastly, horrid
literary noisome, mephitic
archaic disgustful

Origin

late 15th century: from Latin noxius (from noxa 'harm') + -ous.

Derivatives

noxiously

adverb
More example sentences
  • Other targets, sorted according to the noxiously specific Nazi taxonomy, were housed elsewhere.
  • His personal sadism and the ‘kick’ he gets from exercising this ultimate power was revealed most noxiously in his public mimicking of the plea for clemency by a condemned woman.
  • A threatening new creature rises from Japan's sludge-ridden Suruga Bay, feeds on the noxiously fuming smokestacks of Osaka, and sprays an acidic cloud that dissolves human flesh on contact.

noxiousness

noun
More example sentences
  • The Nobel Prize winner for Medicine Charles Richet attributed this silence to the disgust that arises from noxiousness and the lack of usefulness of human waste.
  • Second, the obvious grounds on which to terminate Churchill are not the stupidity and the noxiousness of his ideas, but his fraudulent claim to be something he isn't.
  • While that fresh air (called make-up air in HVAC circles) is coming in, thirty years of advancement in home design and energy efficiency is leaking out - just so you can rid yourself of a few cubic feet of noxiousness.

Definition of noxious in:

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