Hypertext Webster Gateway: "indispensableness"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Indispensableness \In`dis*pen"sa*ble*ness\, n.
The state or quality of being indispensable, or absolutely
necessary. --S. Clarke.
From WordNet (r) 1.7 (wn)
indispensableness
n : the quality possessed by something that you cannot possibly
do without [syn: {indispensability}, {vitalness}] [ant: {dispensability},
{dispensability}]
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