dispensableness

from WordNet (r) 3.0 (2006)
dispensableness
    n 1: the quality possessed by something that you can get along
         without [syn: {dispensability}, {dispensableness}] [ant:
         {indispensability}, {indispensableness}, {vitalness}]
from The Collaborative International Dictionary of English v.0.48
Dispensableness \Dis*pen"sa*ble*ness\, n.
   Quality of being dispensable.
   [1913 Webster]
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