I. rogue 1 /rəʊɡ $ roʊɡ/ BrE AmE noun [countable]
[ Date: 1500-1600 ; Origin: Perhaps from roger 'beggar pretending to be a poor student' (1500-1600) , perhaps from Latin rogare 'to ask' ]
1 . a man or boy who behaves badly, but who you like in spite of this – often used humorously:
What’s the old rogue done now, I wonder?
a lovable rogue
2 . British English old-fashioned a man who is dishonest and has a bad character
II. rogue 2 BrE AmE adjective [only before noun]
1 . not behaving in the usual or accepted way and often causing trouble:
rogue moneylenders
Officials are concerned about rogue regimes that may have nuclear weapons.
2 . a rogue wild animal lives apart from the main group and is often dangerous