con

1 con /ˈkɑːn/ noun
plural cons
1 con
/ˈkɑːn/
noun
plural cons
Britannica Dictionary definition of CON
[count] informal
: a dishonest trick that is done to get someone's money
— called also (US) confidence game, (US) con game, (British) confidence trick, (British) con trick
2 con /ˈkɑːn/ verb
cons; conned; conning
2 con
/ˈkɑːn/
verb
cons; conned; conning
Britannica Dictionary definition of CON
[+ object] informal
: to deceive or to trick (someone) : to persuade (someone) by telling lies
3 con /ˈkɑːn/ noun
plural cons
3 con
/ˈkɑːn/
noun
plural cons
Britannica Dictionary definition of CON
[count] informal
: a person in prison : convict
4 con /ˈkɑːn/ noun
plural cons
4 con
/ˈkɑːn/
noun
plural cons
Britannica Dictionary definition of CON
[count]
1 
: a person who is opposed to something
2 
: an argument against something
: a reason for not doing something
5 con /ˈkɑːn/ adverb
5 con
/ˈkɑːn/
adverb
Britannica Dictionary definition of CON
: against something