[header] How to say boyfriend in french [title] Use " copain " to talk about your boyfriend. [step] The most modern word for a boyfriend, someone who you are romantically involved with, is " copain. " it is pronounced " co-pahn, " where the " n " is almost silent. 
It sounds like the famous classical composer frédéric chopin. [substeps] You can put the word " petit " (" peh-teet ") before copain to make it slightly more endearing.