n. & v. sl.
—n. a confidence trick.
—v.tr. (conned, conning) swindle; deceive (conned him into thinking he had won).
Phrases and idioms:
con man = confidence man.
Etymology: abbr.
2.
n., prep., & adv.
—n. (usu. in pl.) a reason against.
—prep. & adv. against (cf. pro(2)).
Etymology: L contra against
3.
n. sl. a convict.
Etymology: abbr.
4.
v.tr. (US conn) (conned, conning) Naut. direct the steering of (a ship).
Etymology: app. weakened form of obs. cond, condie, f. F conduire f. L conducere conduct
5.
v.tr. (conned, conning) archaic (often foll. by over) study, learn by heart (conned his part well).
Etymology: ME cunn-, con, forms of can(1)
Useful english dictionary. 2012.