/ Dictionary / Index I indefinable: Meaning and Definition of Find definitions for: in•de•fin•a•ble Pronunciation: (in"di-fī'nu-bul), [key] — adj. not definable; not readily identified, described, analyzed, or determined. —n. something that cannot be defined: the indefinables of great musicianship. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: indefinable (Thesaurus) indefensible indefinite Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language