insane
Meaning
- Exhibiting unsoundness or disorder of mind; not sane; utterly mad.
- Used by or relating to insane people.
- Causing insanity or madness.
- (informal) Characterized by excess or the utmost folly; ridiculous; impractical.
- (slang) Extremely good; incredibly amazing.
Synonyms
out of one’s mind
mentally deranged
become mad
crazy person
mad person
half crazy
mentally unstable
intellectually dull
demon possessed
crazy as a loon
of diminished responsibility
light in the head
mentally deficient
mentally disturbed
Frequency
Pronounced as (IPA)
/ɪnˈseɪn/
Etymology
From Latin īnsānus (“unsound in mind; mad, insane”), from in- + sānus (“sound, sane”), equivalent to in- + sane.
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Notes