inattendance
Etymology
From in- + attendance.
inattendance means Lack or neglect of attendance. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
noun
- Lack or neglect of attendance.“Mary Dedalus, Stephen's mother, died 26 June 1903; Bloom belatedly apologizes for his inattendance to her burial due to the "vigil of the anniversary of the decease of Rudolph Bloom (born Virag)..."”