1. An individual who is disorganized, unpredictable, or creates disorder in their surroundings and interactions
Mark is a chaotic person; his desk is always a mess and his plans constantly change.
Mark é uma pessoa caótica; sua mesa está sempre bagunçada e seus planos mudam constantemente.
2. Someone whose behavior or lifestyle is characterized by lack of order, structure, or predictability
She's a chaotic person who thrives in spontaneous situations.
Ela é uma pessoa caótica que prospera em situações espontâneas.