Other crossword clues for answer "CAUSTIC"CAUSTICBiting or corrosiveIncisively sarcasticTartLike a sharp sense of humorScathingHardly conciliatoryBitingCorrosiveSharp-tongued.Satirical.Sharply sarcastic.Lye, for example.That's a lye!Severely criticalAcidAcid, as criticismBiting, as humorTrivium "___ Are the Ties That Bind"AcrimoniousHarsh or corrosive in toneLike Don Rickles' humorSearingHaving a biteHaving many barbsLike Don RicklesScathingly sarcastic