con

(noun) an argument opposed to a proposal.

(noun) a person serving a sentence in a jail or prison. Synonyms: convict, inmate, yard bird, yardbird.

(noun) a swindle in which you cheat at gambling or persuade a person to buy worthless property. Synonyms: bunco, bunco game, bunko, bunko game, confidence trick, confidence game, con game, gyp, hustle, sting, flimflam.

(verb) deprive of by deceit. Synonyms: victimize, swindle, rook, goldbrick, nobble, diddle, bunco, defraud, scam, mulct, gyp, gip, hornswoggle, short-change. Examples: "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."

(verb) commit to memory; learn by heart. Synonyms: memorize, memorise, learn. Examples: "Have you memorized your lines for the play yet?."

(adv) in opposition to a proposition, opinion, etc.. Examples: "Much was written pro and con."