definition of
con

[1] #1 con n. an argument opposed to a proposal. wn

[2] #2 con v. [victimize, swindle, rook, goldbrick, nobble, diddle, bunco, defraud, scam, mulct, gyp, gip, hornswoggle, short-change] 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". wn

[3] #3 con r. in opposition to a proposition, opinion, etc.; "much was written pro and con". wn

[4] #4 con n. [convict, inmate, yard bird, yardbird] a person serving a sentence in a jail or prison. wn

[5] #5 con v. [memorize, memorise, learn] commit to memory; learn by heart; "Have you memorized your lines for the play yet?". wn