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unexpendable

American  
[uhn-ik-spen-duh-buhl] / ˌʌn ɪkˈspɛn də bəl /

adjective

  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.


Etymology

Origin of unexpendable

un- 1 + expendable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But nature sustained by unexpendable forces must abide.

From Project Gutenberg

Nature filled with unexpendable forces continues in form.

From Project Gutenberg