1. (noun)con in opposition to a proposition, opinion, etc.
"much was written pro and con"
2. (verb)victimize, swindle, rook, goldbrick, nobble, diddle, bunco, defraud, scam, mulct, gyp, gip, hornswoggle, short-change, con 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"
3. (verb)memorize, memorise, con, learn commit to memory; learn by heart "Have you memorized your lines for the play yet?"
4. (adverb)con in opposition to a proposition, opinion, etc.
"much was written pro and con"