[mis.use] vt [ME, partly fr. mis- + usen to use; partly fr. MF mesuser to abuse, fr. OF, fr. mes- + user to use] (14c) 1: to use incorrectly: misapply "misused his talents"
2: abuse, mistreat "misused his servants" -- mis.us.er n
[2]mis.use n (14c): incorrect or improper use: misapplication