This is the 147th most frequent Indonesian word.
tak
"Tak" in Indonesian means "not" or "no."
Used as a contraction/alternative for '[tidak](https://kbbi.kemdikbud.go.id/entri/tidak)' meaning 'not'.
Aku tak tahu jawabannya.
I do not know the answer.
Used to indicate negation within a sentence.
Seekor burung terbang dan tak kembali lagi.
A bird flew away and did not return again.
Used to mean 'unable,' showing inability or lack of strength to do something.