[adj] persisting in a reactionary stand
[adj] difficult to treat or deal with; "stubborn rust stains"; "a stubborn case of acne"
[adj] tenaciously unwilling or marked by tenacious unwillingness to yield
[adj] (medicine) not responding to treatment; "a stubborn infection"; "a refractory case of acne"
Synonyms
bloody-minded, bolshy, bulldog, bullet-headed, bullheaded, cantankerous, contrarious, cross-grained, determined, difficult, dogged, dour, hard, hardheaded, mulish, obstinate, pertinacious, pigheaded, refractory, stiff-necked, strong-minded, strong-willed,