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Adjective: sulphurous  súl-fu-rus
Usage: Brit, Cdn (US: sulfurous)
  1. Of or related to or containing sulphur or derived from sulphur
    - sulfurous [N. Amer], sulphureous [Brit]
     
  2. Harsh or corrosive in tone
    "a sulphurous denunciation";
    - acerb, acerbic, acid, acrid, bitter, blistering, caustic, sulfurous [N. Amer], virulent, vitriolic, acidulous, sulphureous [Brit]
     
  3. Characterized by oppressive heat and humidity
    "the sulphurous atmosphere preceding a thunderstorm"; "the summer was sulphurous and oppressive";
    - sultry, stifling, sulfurous [N. Amer], sulphureous [Brit]

See also: hot, unpleasant

Encyclopedia: Sulphurous