insane

adjective
in*sane \ (ˌ)in-ˈsān \
1575{ds||1|a|1}
  • exhibiting a severely disordered state of mind
  • affected with insanity
  • unable to think in a clear or sensible way —not used technically

insane asylum

noun
insane asylum \
  • a hospital for people with mental illness : a mental hospital

go insane

idiomatic phrase
go insane \
1829
  • to become mentally unsound —not used technically

the insane

noun
the insane \
  • insane people : people who have severe mental illness

general paresis

noun
general paresis \
1862
  • syphilis of the central nervous system that is characterized by memory loss, muscle weakness, progressive dementia, seizures, and paralysis
Powered by Merriam-Webster