IPA: /ˈkrʌstɪli/
KK: /ˈkrʌstɪli/
In a way that is rough or hard on the outside, often used to describe a person's manner or behavior that is unfriendly or brusque.
He spoke crustily, making it clear he was not in the mood for conversation.
Crustily → It is formed from "crust" (from Latin *crusta*, meaning a hard outer layer) and "-ily" (a suffix forming adverbs meaning in a manner). The word "crustily" means in a manner that is hard or rough, like a crust.
Think of a 'crust' as a hard outer layer, and remember that 'crustily' describes doing something in a rough or hard manner.