truancy[noun]Synonyms: absence, absence without leave, malingering, shirking, skiving
(Brit. slang) [TahlilGaran] English Synonym Dictionary ▲
tru‧an‧cy /ˈtruːənsi/
noun [uncountable] when students deliberately stay away from school without permission:
the school’s truancy rate [TahlilGaran] Dictionary of Contemporary English ▲