безупречен означава в английски

blameless▼(not meriting blame or censure; undeserving of reproof)
adjective
[UK: ˈbleɪm.ləs] [US: ˈbleɪm.ləs]

flawless▼(without flaws, see also: perfect)
adjective
[UK: ˈflɔː.ləs] [US: ˈflɒ.ləs]

holy [holier, holiest]▼(flawless)
adjective
[UK: ˈhəʊ.li] [US: ˈhoʊ.li]

immaculate▼(very tidy, having no blemish or stain, see also: clear; spotless; undefiled)
adjective
[UK: ɪ.ˈmæ.kjʊ.lət] [US: ˌɪ.ˈmæ.kjuː.lət]

impeccable▼(Perfect, having no faults, flaws or errors)
adjective
[UK: ɪm.ˈpek.əb.l̩] [US: ˌɪm.ˈpek.əb.l̩]

pure [purer, purest]▼(free of flaws or imperfections)
adjective
[UK: pjʊə(r)] [US: ˈpjʊr]

spotless▼(impeccable and free from blemish)
adjective
[UK: ˈspɒt.ləs] [US: ˈspɑːt.ləs]

unexceptionable▼(beyond reproach)
adjective
[UK: ˌʌ.nɪk.ˈsep.ʃə.nəb.l̩] [US: ˌʌ.nɪk.ˈsep.ʃə.nəb.l̩]