stubborn : | |||||||||||||
difficult to treat or deal with; "stubborn rust stains"; "a stubborn case of acne" difficult tenaciously unwilling or marked by tenacious unwillingness to yield bloody-minded, bolshy, bullheaded, contrarious, determined, bulldog, hardheaded, stiff-necked, strong-minded persisting in a reactionary stand unreconstructed not responding to treatment; "a stubborn infection"; "a refractory case of acne" intractable |
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