/ Dictionary / Index I illimitable: Meaning and Definition of Find definitions for: il•lim•it•a•ble Pronunciation: (i-lim'i-tu-bul), [key] — adj. not limitable; limitless; boundless. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: illimitable (Thesaurus) Illimani illin' 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