Meaning of “con” - Learner’s Dictionary

con

verb [ T ] us uk /kɒn/ present participle conning, past tense and past participle conned informal

to trick someone, especially in order to take money from them:

Thieves conned him out of his life savings.
She felt she had been conned into buying the car.

(Definition of “con verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)