[adjective] -er, -est - (of a person's voice) low and unfriendly, or (of a person's behaviour) unfriendly or lacking patienceShe spoke to me in a gruff voice, obviously annoyed that she had been disturbed.He was gruff with the doctor, afraid to let her see how embarrassed he was.
GRUFF
Meaning of GRUFF in English
Cambridge English vocab. Кембриджский английский словарь. 2012