perdiligenter
From LSJ
τὸ κακὸν δοκεῖν ποτ' ἐσθλὸν τῷδ' ἔμμεν' ὅτῳ φρένας θεὸς ἄγει πρὸς ἄταν → evil appears as good to him whose mind the god is leading to destruction (Sophocles, Antigone 622f.)
Latin > French (Gaffiot 2016)
perdīlĭgenter, avec beaucoup d’exactitude : Cic. Br. 14.
Latin > German (Georges)
perdīligenter, Adv. (perdiligens), sehr sorgfältig, sehr pünktlich, Cic. Brut. 14 u. ad Att. 1, 11, 1.