Nuttiest Synonyms and Antonyms

Afflicted with or exhibiting irrationality and mental unsoundness
(Adjective)
Synonyms:
  1. wackiest
  2. screwiest
  3. fruitiest
  4. buggiest
  5. battiest
  6. looniest
  7. maddest
  8. dottiest
  9. daftest
  10. craziest
  11. wrongest
Informal or slang terms for mentally irregular
(Adjective)
Synonyms:
  1. whackiest
  2. wackiest
  3. loopiest
  4. looniest
  5. kookiest
  6. fruitiest
  7. dottiest
  8. daftest
  9. buggiest
  10. battiest
  11. balmiest
Deranged
(Adjective)
Antonyms:
  1. sanest