Synset
an insane person
<noun.person>
freq. cnt.: 7
freq. cnt.: 4
freq. cnt.: 3
lunatic
madman
maniac
lexical pointers
derivationally related form
maniacal
semantic pointers
hyponym
crazy, loony, looney, nutcase, weirdo
bedlamite
pyromaniac
madwoman
hypernym
sufferer, sick person, diseased person