Immaculate

безоши́бочный

bezošíbočnyj

(containing no mistakes — see also flawless)

непоро́чное

neporóčnoje

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

однотонный

odnotonnyj

(lacking blotches, spots, or other markings — see also unspotted)

соверше́нный

soveršénnyj

(containing no mistakes — see also flawless)

чи́стенький

čístenʹkij

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