- Changeable
- Horrific kleptomania’s essentially capricious
- Irresolute
- Likely to change
- Mercurial
- Not fixed or firm; liable to change; unstable; of a
changeable mind; not firm in opinion or purpose; inconstant;
capricious; as, Fortune's fickle wheel.
- Highly strung
- Mercurial, volatile
- Capable of being excited, or roused into action;
susceptible of excitement; easily stirred up, or stimulated.