Thesaurus

crackbrained

Synonyms and Antonyms of crackbrained

having or showing a very abnormal or sick state of mind
  • He had the crackbrained idea that he was receiving radio signals from outer space.
Synonyms of crackbrained
Words Related to crackbrained
Phrases Synonymous with crackbrained

around the bend, off one's gourd, off one's head, off one's rocker, out of one's head (or mind)

Near Antonyms of crackbrained
Antonyms of crackbrained

Seen and Heard

What made you want to look up crackbrained? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

without deliberation, pause, or delay

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!