تفسير : (to excuse) to leave no excuse for one to think that allah is an oppressor or transgressor (or to warn) his created beings from his chastisement; it is also said that (to excuse) refers to that which he has made lawful while (or to warn) refers to that which he has made unlawful; and it is also said (to excuse) refers to his commands while (or to warn) refers to his prohibitions; allah swore by all these things,
Jalāl al-Dīn al-Maḥallī
تفسير : to excuse or to warn, that is to say, in order to excuse or to warn on behalf of god, exalted be he (a variant reading [for nudhran and ‘udhran] has nudhuran and ‘udhuran).
Sahl al-Tustari
تفسير : as an excuse or as a warning.god has excused the suppression of that by which the book and the sunna is opposed; or as a warning to his creatures of his punishment. furthermore, god, exalted is he, swore by them to the reality of the resurrection. his words, exalted is he: