Capricious means changing suddenly or quickly. It can denote something governed by impulse. Capricious describes unpredictability.
This fine word was first known to be used in 1601. It can be used as an adverb, capriciously, or as a noun, capriciousness.
Synonyms for capricious include fickle, volatile, temperamental, and unpredictable.
Here are some example sentences that use the word capricious:
“My mother is often capricious.”
“Capriciously, the lawyer changed his mind again.”
“When people drink large amounts of alcohol, they can exhibit capriciousness.”