Breadcrumb Home > Thesaurus > L Synonyms of libertarian Find synonyms for: Noun 1. libertarian, advocate, advocator, proponent, exponent usage: an advocate of libertarianism 2. libertarian, philosopher usage: someone who believes the doctrine of free will WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of libertarian (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. The Book of 1 Corinthians: Summary Current Events This Week: June 2023 Languages Spoken in Each Country of the World Aesop's Fables: Aesop's Fables Milestones in Environmental Protection The 12 Labors of Hercules (In Order) ✖ Related Content Daily Word Quiz: spelunk Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language