/ Dictionary / Index I inattention: Meaning and Definition of Find definitions for: in•at•ten•tion Pronunciation: (in"u-ten'shun), [key] — n. lack of attention; negligence. an act of neglect. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: inattention (Thesaurus) inasmuch as inattentive 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