Antonyms of noun dispensableness

1 sense of dispensableness

Sense 1
dispensability, dispensableness -- (the quality possessed by something that you can get along without)
       Antonym of indispensableness (Sense 1)
      => indispensability, indispensableness, vitalness -- (the quality possessed by something that you cannot possibly do without)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun dispensableness

1 sense of dispensableness

Sense 1
dispensability, dispensableness -- (the quality possessed by something that you can get along without)
       => inessentiality -- (not of basic importance)