Antonyms of noun indispensableness

1 sense of indispensableness

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

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

1 sense of indispensableness

Sense 1
indispensability, indispensableness, vitalness -- (the quality possessed by something that you cannot possibly do without)
       => essentiality, essentialness -- (basic importance)