unregenerate

adjective

1. tenaciously unwilling or marked by tenacious unwillingness to yield

Similar word(s): inflexible, sturdy, uncompromising, disobedient, cantankerous, bolshy, stroppy, bullheaded, pigheaded, dogged, dour, persistent, pertinacious, tenacious, unyielding, contrarious, determined, hardheaded, mulish, intractable, obstinate, stubborn

2. not reformed morally or spiritually

- unregenerate human nature

- unregenerate conservatism

Similar word(s): lost, impenitent, unremorseful, unrepentant, cussed, obdurate, obstinate, unrepentant, impenitent, unconverted, unpersuaded, unregenerated

3. unrepentant and incapable of being reformed

- an unregenerate criminal

Similar word(s): incorrigible, unreformable