ˌrough ˈdiamond BrE AmE noun [countable]
British English informal someone who seems rude, rough, or unfriendly, but is actually nice and generous SYN diamond in the rough American English
ˌrough ˈdiamond BrE AmE noun [countable]
British English informal someone who seems rude, rough, or unfriendly, but is actually nice and generous SYN diamond in the rough American English
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012