Roget's Thesaurus: Entry 951 (Impenitence)

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#951. Impenitence. -- N. impenitence, irrepentance[obs], recusance[obs]; lack of contrition.

hardness of heart, seared conscience, induration, obduracy.

V. be impenitent &c. adj.; steel the heart, harden the heart; die game, die and make no sign, die unshriven, die without benefit of clergy.

Adj. impenitent, uncontrite, obdurate; hard, hardened; seared, recusant; unrepentant; relentless, remorseless, graceless, shriftless[obs].

lost, incorrigible, irreclaimable.

unreconstructed, unregenerate, unreformed; unrepented[obs], unreclaimed[obs], unatoned.