insane

/ˌɪnsˈeɪn/ · 2 syllables

Meaning

adjective

1. afflicted with or characteristic of mental derangement
   “was declared insane”
2. very foolish
   “harebrained ideas”

Synonyms for insane

• balmy
• brainsick
• certifiable
• crackbrained
• crazed
• fey
• hebephrenic
• lunatic
• maniacal
• manic-depressive
• maniclike
• mentally ill
• non compos mentis
• paranoid
• psychopathic
• harebrained
• mad
• foolish

Antonyms of insane

• sane

Words that rhyme with insane

• strain
• train
• grain
• gain
• chain
• plain
• maintain
• plane
• stain
• drain
• brain
• campaign
• pain
• sustain
• contain
• crane
• profane
• rein
• vein
• domain
• main
• reign
• ascertain
• attain
• cane
• disdain
• ordain
• rain
• remain
• restrain