unexpendable: Meaning and Definition of

un•ex•pend•a•ble

Pronunciation: (un"ik-spen'du-bul), [key]
— adj.
  1. essential; absolutely required: unexpendable resources vital to our security.
  2. not capable of being expended; inexhaustible: an unexpendable source of energy.
  3. not available for expenditure: The principal of the trust fund is unexpendable.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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