Crazy synonyms | Another word for crazy

1. mad

• As daft as a brush
• Away with the fairies
• Bananas
• Barking mad
• Barking
• Barmy
• Bats
• Batty
• Bonkers
• Buggy
• Bushed
• Crackers
• Crazed
• Cuckoo
• Demented
• Deranged
• Dippy
• Distracted
• Disturbed
• Doolally
• Gaga
• Gonzo
• Insane
• Loco
• Loony
• Loopy
• Lunatic
• Mad as a March hare
• Mad as a hatter
• Mad
• Mental
• Meshuga
• Non compos mentis
• Not (quite) right in the head
• Not all there
• Not in one's right mind
• Not right upstairs
• Not the full shilling
• Nutso
• Nutsy
• Nutty as a fruitcake
• Nutty
• Off one's head
• Off one's nut
• Off one's rocker
• Off one's trolley
• Off the wall
• One sandwich short of a picnic
• Out of one's head
• Out of one's mind
• Out of one's tree
• Out to lunch
• Raving mad
• Round the bend
• Round the twist
• Screwy
• Sectionable
• Squirrelly
• Stark mad
• Stark raving mad
• Stark staring mad
• Touched
• Unbalanced
• Unhinged
• Unstable
• Up the pole
• Wacko
• With a screw loose
• Yarra
• Porangi

2. preposterous

• Absurd
• Astonishing
• Barmy
• Bizarre
• Cock-eyed
• Crazy-ass
• Daft
• Eccentric
• Fantastic
• Farcical
• Fatuous
• Foolhardy
• Foolish
• Grotesque
• Half-baked
• Hare-brained
• Idiotic
• Ill-conceived
• Illogical
• Imbecilic
• Implausible
• Impracticable
• Imprudent
• Inane
• Incongruous
• Incredible
• Infantile
• Irrational
• Laughable
• Ludicrous
• Monstrous
• Nonsensical
• Odd
• Outrageous
• Peculiar
• Pointless
• Potty
• Preposterous
• Puerile
• Queer
• Ridiculous
• Risible
• Senseless
• Shocking
• Silly
• Strange
• Stupid
• Unbelievable
• Unrealistic
• Unreasonable
• Unthinkable
• Unwise
• Unworkable
• Wackadoo
• Weird
• Wild
• Wackadoodle

3. very enthusiastic

• Devoted to
• Enamoured of
• Excited
• Fanatical
• Fond of
• Gone on
• Infatuated with
• Mad
• Nuts
• Nutty
• Passionate
• Potty
• Smitten with
• Very enthusiastic
• Very keen on
• Wild
• Sweet on