impenitent

Not penitent; specifically (Christianity), not repenting of one's sins; unrepentant.

[I]f they mende and repente better, will in ſtede of purgatorye which they nowe mocke & ieſte at, wepe and repent in hell this fooliſh fruitleſſe faſhion of their impenitent repentance.

The caſe of impœnitent and notorious ſinners is not like vnto theirs vvhoſe onely imperfection is error ſeuered from pertinacie, error in appearance content to ſubmit it ſelfe to better inſtruction, error ſo farre already cured as to craue at our hands that Sacrament, the hatred and vtter refuſall vvhereof vvas the vvaightieſt point vvherein heretofore they ſvvarued and vvent aſtraie.

One who is not penitent.

For as for the firſt kynde of eleccion, after whiche, Chriſte hathe choſen bys catholike churche out of the Jewes and Gentiles, to be his church here in earth: in thys kynde are there penitentes and impenitentes bothe.