1 (often foll. by from) set at liberty, set free.
2 free (a country etc.) from an oppressor or an enemy occupation.
3 (often as liberated adj.) free (a person) from rigid social conventions, esp. in sexual behaviour.
4 sl. steal.
5 Chem. release (esp. a gas) from a state of combination.
Derivatives:
liberator n.
Etymology: L liberare liberat- f. liber free
Useful english dictionary. 2012.