/ Dictionary / Index I incomprehensible: Meaning and Definition of Find definitions for: in•com•pre•hen•si•ble Pronunciation: (in"kom-pri-hen'su-bul, in-kom"-), [key] — adj. impossible to understand or comprehend; unintelligible. limitless; not limited or capable of being limited. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: incomprehensible (Thesaurus) incompliant incomprehension Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language