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English definition of “gruff”

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gruff

adjective uk   /ɡrʌf/ us  
(of a person's voice) low and unfriendly, or (of a person's behaviour) unfriendly or showing no patience: "If you must," came the gruff reply. He's quite a sweet man beneath the gruff exterior.
gruffly
adverb uk   /-li/ us  
"You drive," Casey gruffly told Jack.
gruffness
noun [U] uk   /-nəs/ us  
(Definition of gruff from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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