Caustic vs Noxious - What's the difference?

caustic | noxious |

As adjectives the difference between caustic and noxious

is that caustic is caustic while noxious is harmful; injurious.




(en adjective)
  • Capable of burning, corroding or destroying organic tissue.
  • Sharp, bitter, cutting, biting, and sarcastic in a scathing way.
  • *
  • , title=(The Celebrity), chapter=8 , passage=The humor of my proposition appealed more strongly to Miss Trevor than I had looked for, and from that time forward she became her old self again;


    * (capable of destroying tissue ): acidic, biting, burning, corrosive, searing * (severe, sharp ): bitchy, biting, catty, mordacious, nasty, sarcastic, scathing, sharp, spiteful


    * 1843': "How now!" said Scrooge, '''caustic and cold as ever. — Charles Dickens, ''A Christmas Carol * 1843': The bargain was not concluded as easily as might have been expected though, for Scadder was '''caustic and ill-humoured, and cast much unnecessary opposition in the way — Charles Dickens, ''Martin Chuzzlewit * 1853': Madame Beck esteemed me learned and blue; Miss Fanshawe, '''caustic , ironic, and cynical — Charlotte Bronte, ''Villette * 1857':The Secretary and the Assistant-Secretaries would say little '''caustic things about him to the senior clerks, and seemed somewhat to begrudge him his new honours. — Anthony Trollope, ''The Three Clerks * 1886': this set of worthies, who were only too prone to shut up their emotions with '''caustic words. — Thomas Hardy, ''The Mayor of Casterbridge * 1930s???': though he came too late / To join the martyrs, there was still a place / Among the tempters for a ' caustic tongue / / To test the resolution of the young / With tales of the small failings of the great — W.H.Auden, 'The Quest'

    Derived terms

    * caustic curve * caustic potash * caustic soda * caustic surface


    (en noun)
  • Any substance or means which, applied to animal or other organic tissue, burns, corrodes, or destroys it by chemical action; an escharotic.
  • (optics, computer graphics) The envelope of reflected or refracted rays of light for a given surface or object.
  • (mathematics) The envelope of reflected or refracted rays for a given curve.
  • (informal, chemistry) caustic soda
  • Derived terms

    * lunar caustic



    Alternative forms

    * (obsolete)


    (en adjective)
  • Harmful; injurious.
  • *{{quote-magazine, date=2014-06-14, volume=411, issue=8891, magazine=(The Economist)
  • , title= It's a gas , passage=But out of sight is out of mind. And that

    Usage notes

    * Nouns to which "noxious" is often applied: substance, chemical, fume, gas, odor, plant, weed, animal, stimulus, stimulation.


    * * * * see also