Looking for the meaning or definition of the word libertarian? Here's what it means.
Noun
One who advocates liberty, either generally or in relation to a specific issue.
(chiefly US) A believer in a political doctrine that emphasizes individual liberty and a lack of governmental regulation, intervention, and oversight both in matters of the economy (‘free market’) and in personal behavior where no one’s rights are being violated or threatened; also, a ‘classical liberal’, akin to an ‘anarcho-capitalist’.
(chiefly Britain, Ireland) A left-libertarian, an antiauthoritarian believer in both individual freedom and social justice (social equality and mutual aid), such as a social anarchist.
(philosophy) A believer in thinking beings' freedom to choose their own destiny, i.e. a believer in free will as opposed to those who believe the future is predetermined.