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lunatic

Main Entry:
nuts/nutty
Part of Speech: adjective
Definition: mentally deranged
Synonyms: absurd, batty, bedlamite, cracked, crazy, daffy, daft, demented, eccentric, enthusiastic, foolish, gung ho, harebrained, insane, irrational, keen, kooky, loony, lunatic, mad, out of one's mind, ridiculous, touched, unusual, wacky*, warm, zealous
Antonyms: balanced, calm, sane, well
Main Entry: psychotic
Part of Speech: adjective
Definition: mentally deranged
Synonyms: certifiable, crazy, demented, distracted, flipped-out, insane, lunatic, mad, manic-depressive, mental, non compos mentis, nuts, off one's rocker, over the edge, psycho, psychopathic, schizophrenic, sick, unbalanced, unhinged
Main Entry: sociopath
Part of Speech: noun
Definition: psychopath
Synonyms: antisocial personality, crazy person, deranged person, insane person, lunatic, mad person, maniac, psycho, psychotic, schizoid
Main Entry: unbalanced
Part of Speech: adjective
Definition: crazy; mentally disturbed
Synonyms: batty, daft, demented, deranged, eccentric, erratic, flaky*, freaky, insane, irrational, kinky*, kooky, lunatic, mad, nobody home, non compos mentis, not all there, nutty, out to lunch, psychotic, touched, troubled, unglued, unhinged, unscrewed, unsound, unstable
Antonyms: balanced, sane, well
Main Entry: unhinged
Part of Speech: adjective
Definition: demented
Synonyms: bananas, batty, berserk, bonkers*, confused, crazed, crazy*, deranged, disturbed, insane, loopy, lunatic, mad, maniac, manic, mental*, out of one's mind, out to lunch, touched*, unbalanced
Antonyms: sane, stable
Main Entry: unsound
Part of Speech: adjective
Definition: not well; flimsy
Synonyms: ailing, crazed, dangerous, decrepit, defective, delicate, demented, deranged, diseased, erroneous, fallacious, false, faulty, flawed, fragile, frail, ill, illogical, in poor health, inaccurate, incongruous, incorrect, infirm, insane, insecure, insubstantial, invalid, lunatic, mad, not solid, rickety, shaky, specious, tottering, unbacked, unbalanced, unhealthy, unhinged, unreliable, unsafe, unstable, unsteady, unsubstantial, unwell, weak, wobbly
Antonyms: safe, sound, stable, strong, well
Main Entry: wacky
Part of Speech: adjective
Definition: acting crazy
Synonyms: absurd, balmy, crazed, crazy, daft, demented, deranged, eccentric, erratic, foolish, hare-brained, insane, irrational, loony, lunatic, mad, nuts, nutty, odd, preposterous, screwy, silly, unpredictable, wild, zany*
Antonyms: calm, collected
Main Entry: witless
Part of Speech: adjective
Definition: foolish
Synonyms: absurd, asinine, birdbrained, brainless, cockamamy, crazy, daffy, doltish, dotty, dumb, feebleminded, half-baked, half-witted, harebrained, idiotic, ill-advised, irrational, jerky, kooky, loony, ludicrous, lunatic, mad, mindless, moronic, nonsensical, nutty, ridiculous, senseless, silly, stupid, unintelligent, unwise, wacky*, zany*
Main Entry: crazy person
Part of Speech: noun
Definition: insane person
Synonyms: deranged person, lunatic, maniac, nut, nut case, psychopath, sociopath
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