/ Dictionary / Index U unspent: Meaning and Definition of Find definitions for: un•spent Pronunciation: (un-spent'), [key] — adj. not spent or used, as money. not used up or consumed: unspent energy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unspent (Thesaurus) unspeakable unsphere Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language