Thesaurus
Synonyms & Antonyms of crackbrained
having or showing a very abnormal or sick state of mind
- had the crackbrained idea that he was receiving radio signals from outer space
Synonyms for crackbrained
- balmy,
- barmy
- [chiefly British],
- bats,
- batty,
- bedlam,
- bonkers,
- brainsick,
- bughouse
- [slang],
- certifiable,
- cracked,
- crackers,
- crackpot,
- cranky
- [dialect],
- crazed,
- crazy,
- cuckoo,
- daffy,
- daft,
- demented,
- deranged,
- fruity
- [slang],
- gaga,
- haywire,
- insane,
- kooky
- (also kookie),
- loco
- [slang],
- loony
- (also looney),
- loony tunes
- (or looney tunes),
- lunatic,
- mad,
- maniacal
- (also maniac),
- mental,
- meshuga
- (or meshugge also meshugah or meshuggah),
- moonstruck,
- non compos mentis,
- nuts,
- nutty,
- psycho,
- psychotic,
- scatty
- [chiefly British],
- screwy,
- unbalanced,
- unhinged,
- unsound,
- wacko
- (also whacko),
- wacky
- (also whacky),
- wud
- [chiefly Scottish]
Words Related to crackbrained
- aberrant,
- delirious,
- delusional,
- delusionary,
- disordered,
- disturbed,
- neurotic,
- obsessive-compulsive,
- paranoiac
- (also paranoic),
- paranoid
- (also paranoidal),
- schizoid,
- schizophrenic,
- sociopathic
- distracted,
- distraught,
- frantic,
- frenzied,
- hysterical
- (also hysteric),
- raving,
- wigged-out
Phrases Synonymous with crackbrained
Near Antonyms for crackbrained
Antonyms for crackbrained
Keep scrolling for more
Comments on crackbrained
What made you want to look up crackbrained? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
A Thanksgiving Word Quiz
- November comes from a word for which of the following numbers?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- A Thanksgiving Word Quiz
We are thankful for obscure words.
Take the quiz - Great Scrabble Words—A Quiz
Words to improve your Scrabble game
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Citation
Do you know the person or title these quotes desc...
Play the game
Share crackbrained