This is the 10847th most frequent Portuguese word.
incisiva
Incisiva: incisive; sharp, clear, and direct.
In this sentence, "incisiva" is used to describe a remark that is sharp, clear-cut, and effectively addresses the core of the problem.
Ela fez uma observação incisiva sobre o problema.
She made an incisive remark about the problem.
Here, "incisiva" is applied to a critique, indicating that it is penetrating and directly reveals important points with clarity.
Sua crítica foi tão incisiva quanto justa.
His critique was as incisive as it was fair.
"Incisiva" characterizes the arguments as being sharp and able to effectively counter the accusation through clarity and relevance.