Capricious
Origin
From French capricieux, from Italian capriccioso.
Full definition of capricious
Adjective
capricious
- Impulsive and unpredictable; determined by chance, impulse, or whimI almost died in a capricious winter storm.Stringent rulers are unlikely to act capriciously.The Mayor claimed that the action was reasonable, but in reality the action was arbitrary and capricious in nature.
- 1877, Henry James, S:The American/Chapter I, "Capricious?" And at this monsieur began to laugh. "Oh no, I'm not capricious. I am very faithful. I am very constant. Comprenez?"
Usage notes
Capricious can describe both a person and the decisions they make.