broad as a barn door

(as) broad as a barn door

Very wide. Your mattress is as broad as a barn door—there's no way you'll fit it in that room!
See also: barn, broad, door
Farlex Dictionary of Idioms.

*broad as a barn door

very broad or wide. (*Also: as ~.) Jim's backside is as broad as a barn door. The weight lifter's chest is broad as a barn door.
See also: barn, broad, door
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • (as) broad as a barn door
  • barn
  • door
  • shut the stable door
  • can’t hit the broad side of a barn
  • can’t hit the side of a barn
  • can't hit the (broad) side of a barn
  • can't hit the broad side of a barn
  • can't hit the side of a barn
  • couldn't hit the side of a barn