/ Dictionary / Index I incapacity: Meaning and Definition of Find definitions for: in•ca•pac•i•ty Pronunciation: (in"ku-pas'i-tē), [key] — n. lack of ability, qualification, or strength; incapability. lack of the legal power to act in a specified way or ways. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: incapacity (Thesaurus) incapacitated incapsulate 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