Insane Synonyms
119 insane synonyms include mentally ill, severely mentally disordered, of unsound mind, certifiable, psychotic, schizophrenic, mad, and deranged. Insane is an adjective, and its antonyms are sane and calm. Here are some additional synonyms for "insane" with example sentences.
Another word for Insane
119 other ways to say insane.
1. psychotic
- wacko
- unstable
- unhinged
- unbalanced
- stark staring mad
- stark raving mad
- squirrelly
- sick in the head
- severely mentally disordered
- sectionable
- screwy
- schizophrenic
- round the twist
- round the bend
- raving mad
- psychotic
- porangi
- out of one's tree
- out of one's mind
- out of one's head
- of unsound mind
- off the wall
- off one's trolley
- off one's rocker
- off one's nut
- off one's head
- off one's chump
- nutty as a fruitcake
- nutty
- nutsy
- nutso
- nuts
- not the full shilling
- not in one's right mind
- not all there
- non compos mentis
- mentally ill
- mad as a March hare
- mad as a hatter
- mad
- loopy
- loony
- hysterical
- disturbed
- deranged
- demented
- cuckoo
- crazy
- crazed
- crackers
- cracked
- certifiable
- bushed
- buggy
- bonkers
- batty
- bats
- barmy
- barking mad
- barking
- bananas
- away with the fairies
- as daft as a brush
2. crazy
- vexed
- spare
- mad
- irritated
- incensed
- hot under the collar
- foaming at the mouth
- exasperated
- enraged
- cross
- crazy
- crackers
- annoyed
- angry
- aggravated
3. stupid
Use insane in a Sentence
He had an insane amount of energy.
The roller coaster ride was insane.