しまる
to close
ドアが閉まります。
The doors are closing.
Try making sentences with this verb in different tenses. Active usage builds stronger recall than passive review. Check if there's a transitive/intransitive pair — learning both together is very efficient. A core N4 word that builds on N5 foundations.
From the JLP Quiz question bank — the word in the form it is actually tested in.
「閉まる」の読み方は?
Answer: しまる