[noun] a deception for profit to yourself Synonyms:cheat
[adjective] not faithful to a spouse or lover; "adulterous husbands and wives"; "a two-timing boyfriend" Synonyms:adulterous, two-timing
[adjective] violating accepted standards or rules; "a dirty fighter"; "used foul means to gain power"; "a nasty unsporting serve"; "fined for unsportsmanlike behavior" Synonyms:dirty, foul, unsporting, unsportsmanlike