unregenerate (adj.)
- balking
- balky
- bigoted
- bullheaded
- case-hardened
- damned
- dogged
- dogmatic
- fanatic
- fleshly
- godless
- graceless
- hardheaded
- headstrong
- incorrigible
- intolerant
- irreclaimable
- irredeemable
- lost
- mulish
- mundane
- obstinate
- opinionated
- overzealous
- persevering
- pertinacious
- pigheaded
- profane
- reprobate
- restive
- secular
- self-willed
- set
- stiff-necked
- strong-willed
- stubborn
- sulky
- sullen
- temporal
- tenacious
- unblessed
- unconverted
- uncooperative
- unhallowed
- unholy
- unredeemable
- unredeemed
- unsanctified
- willful
- worldly