"morally unrestrained," 1530s, from Medieval Latin licentiosus "full of license, unrestrained," from Latin licentia "freedom, liberty," in both a good and bad sense (see licence (n.)). Related: Licentiously; licentiousness.
coarse and licentious men
licence
license
licensed
licensee
licensure
licentious
lich
lichen
Lichfield
licit
lick