'impeccable life' is correct and usable in written English.
You might use this term to describe someone who lives an exemplary life. For example, "He lives an impeccable life of honesty and kindness."
They are uttered, in quiet astonishment, by Cornelia, who finds her impeccable life ravaged yet emerges, still standing.
If you want the nation to be outraged at your murder, be sure to have led an impeccable life.
Samad is also intent on leading an impeccable life as a devout Muslim, and when he succumbs to an adulterous affair with a pretty young Englishwoman, he vows to turn his sons into defenders of the family's honor.
She lived an impeccable life filled with traveling, love, family, & a bit of champagne.
While the weak weekly tried to drum up sales with the Kate question on its cover, inside on page 42, the magazine reports that Hudson's rep denies she's pregnant, and even quotes another impeccable Life & Style "insider" saying, "I don't think she's pregnant".
If you haven't been ghosted, you either have some sort of freakishly impeccable dating life and I hate you, or you have no dating life at all and I pity you.
The vice-president is not free of legal questions, but his impeccable private life makes him the man for the moment.
The two companies claim this will give the phone impeccable battery life while maintaining fast performance.
Anderson brought impeccable pro-life credentials to her investigation.
Second, in the same year Philosophy & Public Affairs, with Princeton University's impeccable pedigree, began life, a few months after Florida State's Social Theory and Practice.
Harold McCarthy lived a life of impeccable suburban ordinariness.
