According to the Online Etymology Dictionary, profligate first surfaced in the 1520s and was derived from the Latin word profligatus, which meant "destroyed, ruined, corrupt, abandoned, dissolute".

Does profligate mean immoral?

utterly and shamelessly immoral or dissipated; thoroughly dissolute. recklessly prodigal or extravagant.

What is profligate?

(Entry 1 of 2) 1 : wildly extravagant profligate spending. 2 : completely given up to dissipation and licentiousness : shamelessly immoral leading a profligate life. profligate.