Noun:
1: con an argument opposed to a proposal
2: inmate, jail bird, convict, gaolbird, con, yardbird, yard bird, jailbird a person serving a sentence in a jail or prison
3: confidence game, bunco game, bunko, bunco, bunko game, con, gyp, con game, confidence trick, flimflam, hustle, sting a swindle in which you cheat at gambling or persuade a person to buy worthless property
Verb:
1: nobble, swindle, con, short-change, defraud, victimize, bunco, scam, gyp, mulct, goldbrick, hornswoggle, gip, rook, diddle deprive of by deceit; "He swindled me out of my inheritance"; "She defrauded the customers who trusted her"; "the cashier gypped me when he gave me too little change"
2: memorize, con, memorise, learn commit to memory; learn by heart; "Have you memorized your lines for the play yet?"
Adverb:
1: con, in opposition on the negative side; "much was written pro and con"