1. Rules or regulations that are playfully fanciful, unpredictable, or based on sudden impulses rather than logic or consistency
The teacher's whimsical rules about when homework was due made it difficult for students to stay organized.
As regras caprichosas da professora sobre quando o dever de casa vencia tornavam difícil para os alunos se manterem organizados.
2. Arbitrary or capricious regulations that lack rational justification and are subject to change based on mood or fancy
The company operates under whimsical rules that seem to change every week.
A empresa opera sob regras caprichosas que parecem mudar a cada semana.