ca·pri·cious 
/kəˈprɪʃəs/ adjective
/kəˈprɪʃəs/ adjective [more capricious; most capricious] formal 1 : changing often and quickly
▪ capricious weather/winds ; especially : often changing suddenly in mood or behavior
▪ employees who are at the mercy of a capricious manager 2 : not logical or reasonable : based on an idea, desire, etc., that is not possible to predict
▪ The court ruled that the punishment was arbitrary and capricious.
▪ capricious weather/winds ; especially : often changing suddenly in mood or behavior
▪ employees who are at the mercy of a capricious manager
▪ The court ruled that the punishment was arbitrary and capricious.
— ca·pri·cious·ly adverb
▪ a manager who acts capriciously
▪ a manager who acts capriciously
— ca·pri·cious·ness noun [noncount]
