sulfurous

adjective

1
characterized by oppressive heat and humidity
the summer was sultry and oppressive
the stifling atmosphere
2
harsh or corrosive in tone
an acerbic tone piercing otherwise flowery prose
a barrage of acid comments
3
of or related to or containing sulfur or derived from sulfur

Also useful for “sulfurous”:Unscrambler— Rearrange the letters in “sulfurous”