/ Dictionary / Index W well sweep: Meaning and Definition of Find definitions for: well' sweep" Pronunciation: [key] sweep (def. 29). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. wellspring well-taken Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language