capricious
adjective/kɐpɾiˈʃozu/medium
ca·pri·cho·so
Definitions
1Given to sudden and unaccountable changes of mood or behavior.
She was known for her capricious nature, often changing her mind on a whim.
The weather here is notoriously capricious.
Common collocations
capricious behaviorcapricious nature
Etymology
De 'capricho' + sufixo '-oso'.