As nouns the difference between impostor and conman
is that impostor is someone who attempts to deceive by using an assumed name or identity while conman is a confidence trickster.
impostor
Alternative forms
* imposter
* impostour (obsolete)
Noun
(
en noun)
Someone who attempts to deceive by using an assumed name or identity.
*
Synonyms
* impersonator
* See also
conman
English
Alternative forms
* con man
Noun
(conmen)
A confidence trickster.
Synonyms
* See also