| Main Entry: | |
| 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: | manic |
| Part of Speech: | adjective |
| Definition: | crazy |
| Synonyms: | berserk, crazed, demented, deranged, excited, flipped, flipped out, freaked out, freaky, frenzied, high, hopped up, insane, lunatic, mad, maniacal, nutty, overexcited, psychotic, rabid, raving, turned out, unbalanced, up, wild |
| Notes: | a maniac is an insane person, while manic means affected with or marked by frenzy or mania uncontrolled by reason |
| Antonyms: | sane |
| Main Entry: | mentally ill |
| Part of Speech: | adjective |
| Definition: | unwell in the mind |
| Synonyms: | cracked, crazed, crazy, cuckoo, daft, demented, deranged, insane, loco, loony, lunatic, mad, not of sound mind, nuts, nutty, off one's rocker, out of one's mind, paranoid, psycho, psychopathic, psychotic, schizophrenic, touched, unbalanced |
| Main Entry: | non compos mentis |
| Part of Speech: | adjective |
| Definition: | of unsound mind |
| Synonyms: | demented, deprived of one's wits, lunatic, non compos, not of sound mind, unbalanced, unsound |
| Main Entry: | psycho |
| Part of Speech: | adjective |
| Definition: | insane |
| Synonyms: | certifiable, crazed, crazy, loony, mad, mental, nuts, psychoneurotic, psychopathic, psychotic, screwy, unbalanced |
| Main Entry: | psychopathic |
| Part of Speech: | adjective |
| Definition: | psychotic |
| Synonyms: | certifiable, crazed, crazy, demented, deranged, insane, mental*, unbalanced |
| Main Entry: | top-heavy |
| Part of Speech: | adjective |
| Definition: | unstable |
| Synonyms: | bulky, cumbersome, imbalanced, lopsided, overloaded, overweight, tottering, unbalanced, uneven |
| Antonyms: | balanced, ballasted, equalized, even, stabilized |
| Main Entry: | undone |
| Part of Speech: | adjective |
| Definition: | distraught |
| Synonyms: | agitated, crazed, crazy, distressed, disturbed, insane, raving, troubled, unbalanced, unglued, unnerved, upset |
| Antonyms: | balanced, sane, sound, untroubled |
| Main Entry: | asymmetric |
| Part of Speech: | adjective |
| Definition: | irregular |
| Synonyms: | asymmetrical, dissymetric, dissymetrical, unbalanced, unsymmetric, unsymmetrical |