Immaculate

бездоганний

bezdohannyj

(containing no mistakes — see also flawless)

незаплямований

nezapljamovanyj

(having no blemish or stain; absolutely clean and tidy — see also spotless, undefiled)

непоро́чне

neporóčne

(of the Virgin Mary or her womb: pure, undefiled — see also undefiled)

чистий

čystyj

(having no blemish or stain; absolutely clean and tidy — see also spotless, undefiled)