/ Dictionary / Index O overwhelming: Meaning and Definition of Find definitions for: o•ver•whelm•ing Pronunciation: (ō"vur-hwel'ming, -wel'-), [key] — adj. that overwhelms; overpowering: The temptation to despair may become overwhelming. so great as to render resistance or opposition useless: an overwhelming majority. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: overwhelming (Thesaurus) overwhelm overwind Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language