deceit, trickery, sharp practice, or breach of confidence, perpetrated for profit or to gain some unfair or dishonest advantage.

a particular instance of such deceit or trickery

mail fraud; election frauds.

any deception, trickery, or humbug

That diet book is a fraud and a waste of time.

a person who makes deceitful pretenses; sham; poseur.

noun

fairness , honesty , justice

noun

artifice , bamboozlement , blackmail , cheat , chicane , chicanery , con , craft * , deceit , double-dealing * , dupery , duping , duplicity , extortion , fake , fast one , fast shuffle , flimflam * , fourberie , fraudulence , graft , guile , hanky-panky * , hoax , hocus-pocus * , hoodwinking , hustle * , imposture , line , misrepresentation , racket , scam , sell , shakedown * , sham * , sharp practice , skunk * , smoke * , song * , song and dance * , spuriousness , sting , string , swindle , swindling , treachery , bastard , bluffer , charlatan , counterfeit , crook , deceiver , double-dealer , forger , four-flusher , hoaxer , horse trader , impostor , mechanic * , mountebank , phony , play actor , pretender , quack * , racketeer , shark * , swindler , victimization , faker , humbug , quack , adventurer , circumvention , conjurer , deception , delusion , dissimulation , empiric , flimflam , gaff , hustle , hypocrisy , hypocrite , imposition , imposter , knave , malversation , prestidigitator , rogue , sham , stratagem , surreption , trick , trickery , trickster , wile