This is the 4807th most frequent Portuguese word.
exigente
Demanding; strict; requiring high standards.
In this sentence, 'exigente' is used to describe the teacher as someone who holds high standards or expectations.
Ela é uma professora muito exigente.
She is a very demanding teacher.
Here, 'exigente' refers to a person who has specific and stringent requirements or preferences.
Este cliente é bastante exigente com os detalhes.
This client is quite demanding about the details.
In this case, 'exigente' illustrates self-imposed high standards and rigorous expectations.