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Adjective: crusty (crustier,crustiest)  krús-tee
  1. Having a hardened crust as a covering
    - crusted, encrusted, crustlike
  2. Brusque and surly and forbidding
    "crusty remarks"; "a crusty old man";
    - curmudgeonly, gruff, ill-humored [US], ill-humoured [Brit, Cdn]

Derived forms: crustier, crustiest

See also: covered, ill-natured

Encyclopedia: Crusty