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Synonyms

crackbrained

American  
[krak-braynd] / ˈkrækˌbreɪnd /

adjective

  1. foolish, senseless, or insane.


crackbrained British  
/ ˈkrækˌbreɪnd /

adjective

  1. insane, idiotic, or crazy

"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

Etymology

Origin of crackbrained

First recorded in 1625–35; crackbrain + -ed 3


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Out of the quarrel was born the first Ironman Triathlon: 15 seemingly crackbrained humans on a 2.4-mile ocean swim followed by a 112-mile bike race followed by a 26.2-mile marathon run.

From Time Magazine Archive

Despite the crackbrained ideas, a former official of the National Security Council maintains that LaRouche has "one of the best private intelligence services in the world."

From Time Magazine Archive

Ideas Sirs: Considering the number of crackbrained ideas sponsored by Franklin Roosevelt does he not deserve the name Franklin "Stoopnagle" Roosevelt?

From Time Magazine Archive

Most of the State had always assumed that the canal was a crackbrained project which a few boosters promoted for profit or publicity.

From Time Magazine Archive

According to Aubrey, the author was thought to be crackbrained, and lost much of his practice in consequence.

From Fathers of Biology by Charles McRae

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