Harebrained

adj

adj ·2 syllables ·Common ·High school level

Definitions

Adjective
  1. 1
    Absurd, foolish or stupid.

    "“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."

  2. 2
    Frivolous and silly; featherbrained or scatterbrained; stupid.

    "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"

Adjective
  1. 1
    very foolish wordnet

Example

More examples

"I knew I should never have gotten involved with your harebrained scheme."

Etymology

From hare + brained.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.