'Dispensableness' definitions:

Definition of 'dispensableness'

From: WordNet
noun
The quality possessed by something that you can get along without [syn: dispensability, dispensableness] [ant: indispensability, indispensableness, vitalness]

Definition of 'Dispensableness'

From: GCIDE
  • Dispensableness \Dis*pen"sa*ble*ness\, n. Quality of being dispensable. [1913 Webster]