a deception for profit to yourself

[ Syn: cheat ]

not faithful to a spouse or lover; adulterous husbands and wives; a two-timing boyfriend

[ Syn: adulterous , two-timing ]

violating accepted standards or rules; a dirty fighter; used foul means to gain power; a nasty unsporting serve; fined for unsportsmanlike behavior

[ Syn: dirty , foul , unsporting , unsportsmanlike ]