ETYM Latin arbitrarius, from arbiter: cf. French arbitraire. Related to Arbiter.
Based on or subject to individual discretion or preference or sometimes impulse or caprice.
Discretionary; capricious; tyrannical.
ETYM Cf. French capricieux, Italian capriccioso.
1. Changeable; SYN. freakish.
2. Determined by chance or impulse or whim rather than by necessity or reason; SYN. impulsive, whimsical.
Easily irritated or annoyed; SYN. fractious, irritable, nettlesome, peevish, peckish, pettish, petulant, testy, tetchy, techy.
In a cranky or surly manner.