unspent

[ uhn-spent ]
/ ʌnˈspɛnt /

adjective

not spent or used, as money.
not used up or consumed: unspent energy.

Origin of unspent

late Middle English word dating back to 1425–75; see origin at un-1, spent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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