though he should offer his excuses ma‘ādhīr is the plural of ma‘dhira but following a different pattern from the usual ma‘dhira ma‘ādhir that is to say whatever excuse he offers will not be accepted from him.
- 75:1515
وَلَوْ أَلْقَىٰ مَعَاذِيرَهُ
Whatever the excuses he may offer.
- common.revelation-Meccan
- common.hizb : 231