Unregenerate \Un`re*gen"er*ate\, Unregenerated \Un`re*gen"er*a`ted\, a. Not regenerated; not renewed in heart; remaining or being at enmity with God. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

58 Moby Thesaurus words for "unregenerate": balking, balky, bigoted, bulldogged, bulletheaded, bullheaded, case-hardened, damned, dogged, dogmatic, fanatic, fleshly, godless, graceless, hardheaded, headstrong, incorrigible, intolerant, irreclaimable, irredeemable, irreformable, lost, mulish, mundane, nonsacred, obstinate, opinionated, overzealous, past praying for, persevering, pertinacious, pigheaded, profane, reprobate, restive, secular, self-willed, set, shriftless, stiff-necked, strong-willed, strongheaded, stubborn, sulky, sullen, temporal, tenacious, unblessed, unconverted, uncooperative, unhallowed, unholy, unredeemable, unredeemed, unsacred, unsanctified, willful, worldly

Source: Moby Thesaurus II by Grady Ward, 1.0
 

unregenerate adj
1: not regenerate or reformed; "unregenerate human nature"; "unregenerate conservatism" [syn: unregenerated] [ant: regenerate]
2: hopelessly bad; "an unregenerate criminal" [syn: depraved, unreformable]
3: persisting in a reactionary stand [syn: obstinate, stubborn]

Source: WordNet (r) 2.0
 

Unregenerate \Un`re*gen"er*ate\, Unregenerated \Un`re*gen"er*a`ted\, a. Not regenerated; not renewed in heart; remaining or being at enmity with God.

Source: Webster's Revised Unabridged Dictionary (1913)