Absenteeism

n. tendency to be absent without authorization, repeated absence

Absenteeism is a habitual pattern of from a duty or obligation.
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Ab·sence n. See petit mal. absence. Absence attack, absence seizure, petit mal epilepsy Neurology A common form of childhood epilepsy characterized [more]Absenteeism - Community and Resources

Noun
1. habitual absence from work
(hypernym) absence

(n.)
The state or practice of an absentee; esp. the practice of absenting one's self from the country or district where one's estate is situated.