noun
One who advocates liberty, either generally or in relation to a specific issue.
(philosophy) A believer in the freedom of thinking beings to choose their own destiny (the doctrine of free will) as opposed to those who believe the future is predetermined (the doctrine of necessity).
(politics) One who advocates libertarianism (“a political philosophy maintaining that all persons are the absolute owners of their own lives, and should be free to do whatever they wish with their persons or property, provided they allow others that same liberty”); also, a member of a political party supporting libertarianism.
(crosswording) An Araucarian.
adjective
Advocating liberty; also, having a relative tendency towards liberty.
(philosophy) Relating to the doctrine of free will as opposed to the doctrine of necessity.
(originally US, politics) Relating to, or advocating, libertarianism; also, relating to a political party supporting libertarianism.
(crosswording) Araucarian.