sulfurous, sulphurous - of or related to or containing sulfur or derived from sulfur
acerb, acerbic, acid, acrid, bitter, blistering, caustic, sulfurous, sulphurous, virulent, vitriolic - harsh or corrosive in tone
Example:- an acerbic tone piercing otherwise flowery prose
stifling, sulfurous, sulphurous, sultry - characterized by oppressive heat and humidity
Example:- the summer was sultry and oppressive