Antonyms for sulphurous
ˈsʌl fər əs, sʌlˈfyʊər əssul·phurous

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1. sulfurous, sulphurousadjective

   of or related to or containing sulfur or derived from sulfur

   Antonyms:
   cold, pleasant

   Synonyms:
   acrid, blistering, acid, stifling, bitter, virulent, caustic, acerbic, vitriolic, acerb, sultry, sulfurous

2. acerb, acerbic, acid, acrid, bitter, blistering, caustic, sulfurous, sulphurous, virulent, vitriolicadjective

   harsh or corrosive in tone

   "an acerbic tone piercing otherwise flowery prose"; "a barrage of acid comments"; "her acrid remarks make her many enemies"; "bitter words"; "blistering criticism"; "caustic jokes about political assassination, talk-show hosts and medical ethics"; "a sulfurous denunciation"; "a vitriolic critique"

   Antonyms:
   cold, pleasant

   Synonyms:
   virulent, blistering, red-hot, vitriolic, hot, blistery, acerbic, stifling, acidic, acrimonious, caustic, mordant, acidulous, venomous, astringent, sulfurous, acrid, deadly, acid, corrosive, pungent, biting, bitter, sultry, acidulent, acerb, erosive

3. sultry, stifling, sulfurous, sulphurousadjective

   characterized by oppressive heat and humidity

   "the summer was sultry and oppressive"; "the stifling atmosphere"; "the sulfurous atmosphere preceding a thunderstorm"

   Antonyms:
   pleasant, cold

   Synonyms:
   caustic, acerbic, blistering, acid, sensual, sulfurous, stifling, bitter, acrid, virulent, sultry, vitriolic, acerb

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