hang in, persevere, persist, hang on, hold on - be persistent, refuse to stop; "he persisted to call me every night"; "The child persisted and kept asking questions"

unregenerate, unregenerated - not regenerate or reformed; "unregenerate human nature"; "unregenerate conservatism"

disobedient - not obeying or complying with commands of those in authority; "disobedient children"

unreconstructed - adhering to an attitude or position widely held to be outmoded; "peasants are still unreconstructed small capitalists at heart"; "there are probably more unreconstructed Southerners than one would like to admit"