"Sans reproche" is a French phrase that translates to "without reproach" in English. It describes a person who is beyond reproach, faultless or impeccable. Synonyms for this phrase include irreproachable, blameless, unimpeachable, spotless, faultless, flawless, perfect, impeccable, and pristine. These words all convey the same idea of someone who is without a single flaw or mistake. They are all words used to describe someone who has a spotless record, who has not committed any wrongdoing, and who is trustworthy and reliable. Whether used in formal writing or everyday conversation, synonyms for "sans reproche" can convey the idea of someone who is truly admirable.