From Longman Dictionary of Contemporary Englishbaddiebad‧die, baddy /ˈbædi/ noun (plural baddies) [countable] British English informal AMBAD PERSONsomeone who is bad, especially in a book or film SYN bad guy American English
Examples from the Corpus
baddie• But then you probably haven't met the big baddies yet.• Also, by the time the first wave of baddies hit the screen, your time's half over!!!• On reflection, Marti's the spitting image of a panto baddie.• And there are always some baddies around.• I was the goodie and he wasn't exactly the baddie, but we were against each other all the time.• When crime series started it was quite clear who were the goodies and who were the baddies.• Players guide Sonic through three-dimensional courses filled with all the typical baddies.• This has been a fairly gritty chapter, all about beating up baddies, causing them pain and putting them to flight. 