'Truancy' definitions:

Definition of 'truancy'

From: WordNet
noun
Failure to attend (especially school) [syn: truancy, hooky]

Definition of 'Truancy'

From: GCIDE
  • Truancy \Tru"an*cy\, n. The act of playing truant, or the state of being truant; as, addicted to truancy. [1913 Webster]