/ Dictionary / Index C civil libertarian: Meaning and Definition of Find definitions for: civ'il libertar'ian Pronunciation: [key] a person who actively supports or works for the protection or expansion of civil liberties. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. civil law civil liberty Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language