/ Dictionary / Index U unestablished: Meaning and Definition of Find definitions for: un•es•tab•lished Pronunciation: (un"i-stab'lisht), [key] — adj. not established. (of a worker or job) temporary, part-time, or having a special or unique routine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unestablished (Thesaurus) unessential unesthetic Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language