caustic Synonyms

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