ruffian
Concise Oxford English Dictionary © 2008 Oxford University Press:
ruffian/ˈrʌfiən/
▶noun a violent or lawless person.
– derivatives
ruffianism noun,
ruffianly adjective.
ruffianism noun,
ruffianly adjective.
– origin C15: from OFr. ruffian, from Ital. ruffiano, perh. from dial. rofia ‘scab, scurf’, of Gmc origin.
'ruffian' also found in these Oxford entries:

