Synonyms and antonyms of Wasted and not used well in British Thesaurus

wasted (adjective)

something such as time or money that is wasted is not used effectively

underused (adjective)

not used enough, so that people do not get all the benefits that they could

misspent (adjective)

wasted or used badly

lost (adjective)

lost time or chances have been wasted

underutilized (adjective)

formal underused

down the drain ()

completely lost or wasted