/ Dictionary / Index W willy-nilly: Meaning and Definition of Find definitions for: wil•ly-nil•ly Pronunciation: (wil'ē-nil'ē), [key] — adv. in a disorganized or unplanned manner; sloppily. whether one wishes to or not; willingly or unwillingly: He'll have to do it willy-nilly. —adj. shilly-shallying; vacillating. disorganized, unplanned; sloppy: willy-nilly work. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: willy-nilly (Thesaurus) willyard willywacks Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language