This is the 520th most frequent Indonesian word.
tegas
"Firm" or "assertive."
In this sentence, 'tegas' describes the firmness of the teacher's voice while speaking, emphasizing clarity and authority.
Guru itu berbicara dengan suara tegas.
The teacher spoke with a firm voice.
Here, 'tegas' is used to characterize the decisiveness and clear-cut nature of the person's answer.
Dia memberikan jawaban yang tegas atas pertanyaan itu.
He/she gave a decisive answer to that question.
'Tegas' in this context refers to the resolute and assertive attitude embodied in the new policy.