truant

adj

Absent without permission, especially from school. / Wandering from business or duty; straying; loitering; idle, and shirking duty.

He was punished for being truant from school.

意味（1）

Absent without permission, especially from school.

He didn't graduate because he was chronically truant and didn't have enough attendances to meet the requirement.

意味（2）

Wandering from business or duty; straying; loitering; idle, and shirking duty.

A truant disposition, good my lord.