crusty
US /ˈkrʌs.ti/
UK /ˈkrʌs.ti/
1.
having a hard outer layer or crust
:
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The baker pulled a loaf of warm, crusty bread from the oven.
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The old man had a crusty beard, stained with tobacco.
2.
easily annoyed; bad-tempered
:
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The old professor was known for his crusty demeanor, but he was kind at heart.
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His crusty remarks often offended people, even if he didn't mean to.