temperamental
adj/ˌtɛmp(ə)ɹəˈmɛntl̩/
Etymology From temperament + -al.
1
Of, related to, or caused by temperament.
2
Subject to changing and unpredictable emotional states; moody, capricious.
3
Figuratively User-unfriendly, unstable, that is complicated or has poorly written instructions and is subsequently difficult to operate; unpredictable and erratic.
Of a machine or of software
- Derived terms
- temperamentalism, temperamentalist, temperamentality, temperamentally, untemperamental