/ Dictionary / Index A antiestablishmentarian: Meaning and Definition of Find definitions for: an•ti•es•tab•lish•men•tar•i•an Pronunciation: (an"tē-i-stab"lish-mun-târ'ē-un, an"tī-), [key] — n. a person who supports or advocates antiestablishmentarianism. —adj. of, pertaining to, or characteristic of antiestablishmentarianism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. antiestablishment antiestablishmentarianism Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language