From irréprochable + -ment. <span class="searchmatch">irréprochablement</span> irreproachably (in a way that is beyond reproach) “<span class="searchmatch">irréprochablement</span>”, in Trésor de la langue française...
irréprochable (plural irréprochables) irreproachable Antonym: reprochable <span class="searchmatch">irréprochablement</span> → Russian: безукори́зненный (bezukoríznennyj) (calque) → Russian:...