U1N1D2E1R1U1S1E1
9 points
UNDERUSE is validvalid
to use less than fully [v UNDERUSED, UNDERUSES, UNDERUSING]
to not use to the fullest extent [v UNDERUSED, UNDERUSING, UNDERUSES]
to use less than fully [v UNDERUSED, UNDERUSES, UNDERUSING]
to not use to the fullest extent [v UNDERUSED, UNDERUSING, UNDERUSES]