Insane synonyms | Another word for insane

1. psychotic

• As daft as a brush
• Away with the fairies
• Bananas
• Barking mad
• Barking
• Barmy
• Bats
• Batty
• Bonkers
• Buggy
• Bushed
• Certifiable
• Cracked
• Crackers
• Crazed
• Crazy
• Cuckoo
• Demented
• Deranged
• Disturbed
• Hysterical
• Loony
• Loopy
• Mad as a March hare
• Mad as a hatter
• Mad
• Mentally ill
• Non compos mentis
• Not all there
• Not in one's right mind
• Not the full shilling
• Nuts
• Nutso
• Nutsy
• Nutty as a fruitcake
• Nutty
• Of unsound mind
• Off one's chump
• Off one's head
• Off one's nut
• Off one's rocker
• Off one's trolley
• Off the wall
• Out of one's head
• Out of one's mind
• Out of one's tree
• Psychotic
• Raving mad
• Round the bend
• Round the twist
• Schizophrenic
• Screwy
• Sectionable
• Severely mentally disordered
• Sick in the head
• Squirrelly
• Stark raving mad
• Stark staring mad
• Unbalanced
• Unhinged
• Unstable
• Wacko
• Porangi

2. crazy

• Aggravated
• Angry
• Annoyed
• Crazy
• Cross
• Enraged
• Exasperated
• Foaming at the mouth
• Hot under the collar
• Incensed
• Irritated
• Mad
• Spare
• Vexed
• Crackers

3. stupid

• Absurd
• Asinine
• Barmy
• Bizarre
• Cock-eyed
• Crazy
• Daft
• Extremely foolish
• Farcical
• Fatuous
• Full of holes
• Half-baked
• Hare-brained
• Idiotic
• Ill-conceived
• Illogical
• Imbecilic
• Implausible
• Impracticable
• Inane
• Irrational
• Laughable
• Ludicrous
• Mad
• Mindless
• Moronic
• Nonsensical
• Off beam
• Pointless
• Preposterous
• Ridiculous
• Senseless
• Silly
• Stupid
• Unrealistic
• Unreasonable
• Untenable
• Unthinkable
• Way out
• Weird
• Potty