/ Dictionary / Index I ineffective: Meaning and Definition of Find definitions for: in•ef•fec•tive Pronunciation: (in"i-fek'tiv), [key] — adj. not effective; not producing results; ineffectual: ineffective efforts; ineffective remedies. inefficient or incompetent; incapable: an ineffective manager. lacking in artistic effect, as a literary work, theatrical production, or painting. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ineffective (Thesaurus) ineffaceable ineffectual 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