Akademik

unavailability
noun
the quality of not being available when needed
Syn: ↑inaccessibility
Ant: ↑availability, ↑accessibility (for: ↑inaccessibility)
Derivationally related forms: ↑unavailable, ↑inaccessible (for: ↑inaccessibility)
Hypernyms: ↑inconvenience

Useful english dictionary. 2012.