n. 1 fool, gull, victim, fair game, Colloq chump, Chiefly US and Canadian fall guy; Slang sucker, sap, boob, pushover, pigeon, mark, Brit mug, Chiefly US and Canadian patsy Swindlers often choose tourists as likely dupes 2 cat's-paw, pawn, tool, puppet, Slang stooge I'm not going to be the dupe in your little game!
v. 3 deceive, fool, outwit, cheat, trick, take in, defraud, humbug, hoax, swindle, hoodwink, bilk, gull, cozen, delude, mislead, snooker, victimize, Colloq bamboozle, flimflam, put one over on, pull a fast one on; Slang con, rip off, rook, take, US and Canadian snow, do a snow job on She was duped into believing she had won the lottery