caustic Synonyms

vitriolic corrosive sharp blistering bitter biting sarcastic burning mordacious erosive sulfurous acrid scathing spiteful acerb acerbic nasty sulphurous acid mordant virulent serpentiform searing severe sourish slashing snap poisonous snarling sneering sour scornful scorching poignant pointed polemical pung pungent pyrotic rancorous salter salty satire satiric satirical satyrical savage sardonic piercing spinose