overstudy

o ver stud y ▶noun |ˈōvərˌstədē ˈoʊvərˌstədi |excessive study. ▶verb |ˌōvərˈstədē ˌoʊvərˈstədi |study too long or too intensely: if your child is a high achiever, but overstudies for fear of not receiving an A +,help her to gradually study a little less.

overstudy

over |study |əʊvəˈstʌdi | ▶verb ( overstudies, overstudying, overstudied ) study excessively. ▶noun [ mass noun ] excessive study.