SG Heritage Dictionary

Incestuous [Adjective] Webster's Dictionary 1828

1. Guilty of incest; as an incestuous person.

2. Involving the crime of incest; as an incestuous connection.

Incestuously [Adverb] Webster's Dictionary 1828

In an incestuous manner; in a manner to involve the crime of incest.

Incestuousness [Noun] Webster's Dictionary 1828

The state or quality of being incestuous.

Impurity Roget’s Thesaurus §961

Adj. impure, unclean, not to be mentioned to ears polite, immodest, shameless, indecorous, indelicate, indecent, fescennine, loose, risque, coarse, gross, broad, free, equivocal, smutty, fulsome, ribald, obscene, bawdy, pornographic, concupiscent, prurient, lickerish, rampant, lustful, carnal, carnal-minded, lewd, lascivious, lecherous, libidinous, erotic, ruttish, salacious, paphian, voluptuous, goatish, must, musty, unchaste, light, wanton, licentious, debauched, dissolute, of loose character, of easy virtue, frail, gay, riggish, incontinent, meretricious, rakish, gallant, dissipated, no better than she should be, on the town, on the streets, on the pave, on the loose, adulterous, incestuous, bestial