[ lib-er-tair-ee-uh n ]
/ ˌlɪb ərˈtɛər i ən /


a person who advocates liberty, especially with regard to thought or conduct.
a person who maintains the doctrine of free will (distinguished from necessitarian).


advocating liberty or conforming to principles of liberty.
maintaining the doctrine of free will.

Words nearby libertarian

Origin of libertarian

First recorded in 1780–90; libert(y) + -arian

OTHER WORDS FROM libertarian

lib·er·tar·i·an·ism, nounan·ti·lib·er·tar·i·an, adjective, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for libertarianism

British Dictionary definitions for libertarianism

/ (ˌlɪbəˈtɛərɪən) /


a believer in freedom of thought, expression, etc
philosophy a believer in the doctrine of free willCompare determinism


of, relating to, or characteristic of a libertarian

Derived forms of libertarian

libertarianism, noun

Word Origin for libertarian

C18: from liberty
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012