1. (

• crusted ,
• encrusted ,
• crusty ,
• crustlike

) having a hardened crust as a covering ;

2. (

• crusty ,
• curmudgeonly ,
• gruff ,
• ill-humored ,
• ill-humoured

) brusque and surly and forbidding; "crusty remarks"; "a crusty old man"; "his curmudgeonly temper"; "gruff manner"; "a gruff reply" ;