The synonym of word 'Licentious' is-

The word 'Licentious' means lacking moral discipline or ignoring legal restraint, especially in sexual conduct. The word 'Profligate' has a similar meaning, referring to someone who is wildly extravagant or wasteful in the use of resources, often in a manner that lacks morals or restraint. Therefore, 'Profligate' is the correct synonym for 'Licentious'.