Crossword clues for It can be caustic:CAUSTICScathingly sarcasticCAUSTICHardly conciliatoryCAUSTICThat's a lye!CAUSTICLike Don RicklesCAUSTICAcidCAUSTICBitingCAUSTICCorrosiveCAUSTICCutting.CAUSTICAcrimoniousCAUSTICHaving many barbsCAUSTICITYCorrosivenessCAUSTICBiting, as humorCAUSTICSharply sarcastic.CAUSTICALLYEmulating MenckenCAUSTICScathingCAUSTICSCorrosive substancesCAUSTICSharp-tongued.CAUSTICLye, for example.CAUSTICAcid, as criticismCAUSTICTrivium "___ Are the Ties That Bind"CAUSTICALLYThat's a lye, he said ___CAUSTICHaving a biteCAUSTICSearingCAUSTICLike Don Rickles' humorCAUSTICHarsh or corrosive in toneCAUSTICIncisively sarcasticCAUSTICBiting or corrosiveCAUSTICSeverely criticalCAUSTICSatirical.CAUSTICNESSSarcasm.CAUSTICTartCAUSTICLike a sharp sense of humorLYECaustic soap stuffLYECaustic liquidLYECommon causticLYECaustic chemicalLYECaustic materialOLEACaustic liquidsERODENTCausticACRIDCausticLYESCaustic compoundsALKALICaustic materialLYECaustic remark?ACERBCausticALKALICaustic mineralLYECaustic cleanerTHEDABARBCaustic-witted star of silent movies?CARLACaustic "Cheers" barmaidRETORTEDAnswered causticallyTARTERComparatively caustic