harebrained

See also: hare-brained

English

hare +‎ brained

harebrained (comparative more harebrained, superlative most harebrained)

(of an idea or plan etc) Absurd, foolish or stupid.
- 2008, Sarah McCarty, Promises Reveal, Penguin, →ISBN:
  “Now why do I get the feeling we're not talking about the harebrained plan you came up with?” “It wasn't harebrained.” “Did it have you going within twenty feet of a whorehouse at night, unchaperoned?” He knew darn well it did.
(of a person) Frivolous and silly; featherbrained or scatterbrained.
- 1722, Daniel Defoe, Moll Flanders, The Author's Preface:
  Her getting a parcel from a hare-brained wench at the coaches in St. John Street; her booty made at the fire, and again at Harwich, all give us excelle

featherbrained or scatterbrained