desafiadora
Desafiadora is a Portuguese term with multiple uses, functioning as both an adjective and a feminine noun. As an adjective, desafiadora characterizes something that presents a challenge or is difficult to accomplish, as in uma tarefa desafiadora (a challenging task) or uma situação desafiadora (a demanding situation). In this sense, the masculine forms desafiador or desafiante are commonly used as equivalents.
As a noun, desafiadora can refer to a person who challenges others or who presents challenges. In
Etymology and related forms: desafiadora derives from the verb desafiar (to challenge) plus the agentive suffix
Usage notes: Desafiadora can carry neutral, positive, or negative nuance depending on context. It can describe