self–dis·ci·pline 
/ˌsɛlfˈdɪsəplən/ noun
/ˌsɛlfˈdɪsəplən/ noun [noncount] : the ability to make yourself do things that should be done
▪ It's hard to exercise every day. You have to have a lot of self-discipline. ▪ a lack of self-discipline
▪ It's hard to exercise every day. You have to have a lot of self-discipline. ▪ a lack of self-discipline
— self–dis·ci·plined /ˌsɛlfˈdɪsəplənd/ adjective [more self–disciplined; most self–disciplined]
▪ self-disciplined students
/ˌsɛlfˈdɪsəplənd/ adjective [more self–disciplined; most self–disciplined] ▪ self-disciplined students
