| instability(noun, disorder, complex, deviation, quirk) |
| irritation(noun, worry, strain, anxiety, stress) |
| jimjams(dread, willies, nail-biting) |
| jitteriness |
| jump(noun, agitation, nervousness, nerves) |
| madness(noun, disorder, complex, deviation, quirk) |
| maladjustment(noun, disorder, complex, deviation, quirk) |
| mental disturbance(noun, expression, disorder, complex, deviation) |
| mental illness(noun, expression, disorder, complex, deviation) |
| mishap(noun, collapse, failure) |
| nail-biting(anxiety, dread, willies) |
| nerviness(anxiety, uneasiness, tenseness) |
| nervous collapse(noun, expression, collapse, failure) |
| nervous restlessness(noun, expression, agitation, nervousness, jump) |
| obsession(noun, disorder, complex, deviation, quirk) |
| phobia(noun, disorder, complex, deviation, quirk) |
| problem(complex, quirk, hang-up) |
| psychasthenia(noun, collapse, failure) |
| psychopathy(noun, disorder, complex, deviation, quirk) |
| quirk(complex, hang-up) |