Answer: crustier

AnswerCrossword Clue
CRUSTIERMore brusque
CRUSTIERComparatively crisp
CRUSTIERMore irascible
CRUSTIERMore curmudgeonly
crustier(of a substance) Acting as a hard outer layer or covering
crustierHaving a crisp or hard outer layer or covering
crustier(esp. of an old person) Outspoken and irritable
crustierCRUSTY, surly (sullenly rude)