Meaning & use

hairbrained

adjective·Everyday

Last updated

Foolish, rash, or lacking sound judgment.

See it in a sentence

He came up with another hairbrained scheme to get rich quick.

It was a hairbrained idea to drive through the storm without checking the forecast.

A note on using this word

"Hairbrained" is a very common variant spelling of "harebrained," which originally referred to the supposedly erratic behavior of a hare.

Words with a similar meaning

harebrainedreckless

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Words with an opposite meaning

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