Definition of libertinous in English:

libertinous

adjective

  • Dissolute, licentious; = "libertine".

Origin

Mid 17th century; earliest use found in William Lithgow (1582–c1645), traveller. From libertine + -ous. Compare classical Latin lībertīnus.

Pronunciation

libertinous

/lɪˈbəːtɪnəs/