DictionarytruantUnauthorized absence
noun / adjective

truant

TROO-uhnt/trˈuʌnt/

Absent without permission, especially from school, or a student who is so absent.

The truant student leaves while the teacher gestures for her to return.

An older adult student slips away from an adult-education school during class, carrying her backpack while a teacher at the doorway gestures for her to return.
Etymology

The word first described a beggar or vagabond, then someone who wandered from an appointed place or shirked responsibilities. That later sense became especially associated with children staying away from school without permission.

In context

rosaryfilms100:36
… what you truly have there is a truant and what you truly need to be doing is finding out why that child doesn't want to attend school …
Juvenile Status Offenders And Their Families / Educational Documentary Video

More examples

  • He was marked truant after leaving without permission.
  • The novel follows two truants who skip class together.
  • A counselor met with the frequent truant.

Forms

truant · truants

truancy noun — absence without permission, especially from school

Similar words

absentee
An absentee is not present; a truant lacks permission for the absence.
school skipper
School skipper informally describes the same conduct; truant is the more formal institutional term.