Answer: underuse

AnswerCrossword Clue
UNDERUSENeglect, perhaps
UNDERUSENot employ fully
underuseto take unfair advantage of
underuseusing or being used
underuseto treat
underuseto consume
underuseto be accustomed
underuseto put into service
underuseto not use to its' fullest extent
underusethe purpose for which something is used
underusethe power of using something