Synonyms for Nutty as a fruitcake:

• adj.

  •bananas (adjective)
  • kooky,
  • out to lunch,
  • nuts,
  • wacky,
  • crazy,
  • cuckoo,
  • sick,
  • out of one's mind,
  • disturbed.
  •demented (adjective)
  • lunatic,
  • distracted,
  • foolish,
  • bemused,
  • psychotic,
  • frenzied,
  • deranged,
  • manic,
  • flipped out,
  • mad,
  • unsound,
  • unhinged,
  • psychopathic,
  • delirious,
  • maniac.
  •fruity (adjective)
  • eccentric,
  • crazed,
  • off,
  • disordered,
  • loony.
  •loco (adjective)
  • paranoid,
  • raving,
  • Derailed,
  • irrational,
  • mental,
  • irresponsible,
  • rabid,
  • raging,
  • wild,
  • wrong,
  • unsettled,
  • around the bend,
  • senseless,
  • preposterous,
  • fatuous,
  • impractical,
  • bizarre,
  • schizophrenic.
  •Other relevant words: (adjective)
  • idiotic,
  • whacko,
  • of unsound mind,
  • off one's rocker,
  • in the ozone,
  • out of one's gourd,
  • out of one's tree,
  • unglued,
  • crazy as a loon,
  • mad as a hatter,
  • stark raving mad,
  • nutty as fruitcake,
  • off rocker,
  • psycho,
  • demented,
  • schitzy,
  • out of mind,
  • sick in the head,
  • schizoid,
  • hysterical,
  • not all there,
  • crackbrained,
  • not there.

• n.

  •deranged (noun)
  • insane.

• Other synonyms:

  •
  • dotty,
  • loco,
  • batty,
  • mentally ill,
  • bananas,
  • crackers,
  • Daffy,
  • brainsick,
  • bonkers,
  • fruity.
  •
  • distraught,
  • screwy,
  • maniacal,
  • nutty,
  • buggy,
  • cracked,
  • non compos mentis,
  • unbalanced,
  • daft.
  •
  • touched,
  • moonstruck.
  •Other relevant words (noun):
  • mad as a march hare,
  • gaga.

Antonyms for Nutty as a fruitcake:

• adj.

  • bananas
    healthy.
  • demented
    ok, sane, reasonable, balanced, calm, rational, sensible.