/ Dictionary / Index I indefectible: Meaning and Definition of Find definitions for: in•de•fect•i•ble Pronunciation: (in"di-fek'tu-bul), [key] — adj. not defectible; not liable to defect or failure. not liable to fault or imperfection; faultless. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. indefeasible indefensible Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language