Definition of "con"
To study, especially in order to gain knowledge of.
To know, understand, acknowledge.
Variant spelling of conn: to conduct the movements of a ship at sea.
To trick or defraud, usually for personal gain.
To give the necessary orders to the helmsman to steer a ship in the required direction through a channel etc. (rather than steer a compass direction).
A disadvantage of something, especially when contrasted with its advantages (pros).
A convicted criminal, a convict.
A fraud; something carried out with the intention of deceiving, usually for personal, often illegal, gain.
The navigational direction of a ship.
An organized gathering such as a convention or conference.