Dictionary

arnaqueur

/aʁ.na.kœʁ/

noun, masculine/aʁ.na.kœʁ/plural: arnaqueurs

arnaqueur is masculine in French.

swindler

From arnaquer + -eur.

adjective/aʁ.na.kœʁ/

swindling; lying; cheating

From arnaquer + -eur.