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harebrained

or hair·brained

[hair-breynd]
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adjective
  1. giddy; reckless.
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Origin of harebrained

First recorded in 1545–55; hare + brained
Related formshare·brained·ly, adverbhare·brained·ness, noun
Can be confusedharebrained harelip

Synonyms

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

absurdasininebarmybizarrecarelesschangeablecrazydizzyempty-headedflightyfoolishfrivolousgiddyhalf-bakedheedlessinaneirresponsibleloonymindlesspreposterous

Examples from the Web for harebrained

Contemporary Examples

Historical Examples

  • "It's a harebrained scheme, Peter," he said gravely, shaking his handsome head.

    Captain Blood

    Rafael Sabatini

  • To hide himself in jungles, to be heard of only by his harebrained exploits!

  • His mouth twitched as he filled his harebrained visitor's glass.

    Mushroom Town

    Oliver Onions

  • I fear that Colonel Burr has been plying you with his harebrained schemes.

    A Volunteer with Pike

    Robert Ames Bennet

  • It would be for the benefit of my cousin--who is a good lad, but harebrained, and without ballast--for you to go with him.


British Dictionary definitions for harebrained

harebrained

hairbrained

adjective
  1. rash, foolish, or badly thought outharebrained schemes
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012