worse · adv
to make matters worse
B2 to make a situation more difficult, unpleasant, etc.
Dictionary examples:
To make matters worse, our car broke down! (25.8)
worse
B1 comparative of badly
Dictionary examples:
He spoke English worse after taking a year-long English course. (0.0)
He dressed worse for the job interview than for cleaning his garage. (0.0)
My car runs worse now that I've 'fixed' it myself. (0.0)
He was treated much worse than I was. (25.9)
He did worse than he was expecting to on his driving test. (55.6)