Found 51 synonyms in 7 groups
1
Meaning: insane [a]
deranged, demented, psychotic, crazy (informal), mad, maniacal, unsound, lunatic
  1. 2
    Meaning: eccentric [n]
    crank, oddball, neurotic, weirdo (informal), lunatic
  2. 3
    Meaning: foolish [a]
  3. 4
    Meaning: madman [n]
    maniac, imbecile, idiot (pej.), moron, simpleton (informal), lunatic
  4. 5
    Meaning: neurotic [a]
    demented, insane, deranged, unbalanced, lunatic, crazy (informal), troubled
  5. 6
    Meaning: crazy [a]
    funny, silly, lunatic, goofy (informal), nonsensical, wacky, dumb, zany
  6. 7
    Meaning: mental condition [a]
    insane, crazy (informal), crazed, lunatic, deranged, maniacal, raving, distracted, mad

Words similar to lunatic

lunatic synonyms - English related words for lunatic