1bor·der·line 
/ˈboɚdɚˌlaɪn/ adjective
/ˈboɚdɚˌlaɪn/ adjective 1 : having some but not all characteristics of something
▪ In borderline cases like these, the best course of action is difficult to determine. ▪ Two candidates for the job seem very good, and three others are borderline. [=three may or may not be suitable for the job] 2 : not quite as severe as what is usual or expected
▪ As a borderline diabetic, Lara is able to control her blood sugar levels solely through diet. ▪ borderline alcoholics 3 : existing at or near a border
▪ a borderline town
▪ In borderline cases like these, the best course of action is difficult to determine. ▪ Two candidates for the job seem very good, and three others are borderline. [=three may or may not be suitable for the job]
▪ As a borderline diabetic, Lara is able to control her blood sugar levels solely through diet. ▪ borderline alcoholics
▪ a borderline town
