شَرُّ البَرِيَّةِ

شَرُّ البَرِيَّةِ is a phrase (شِبْهُ الجُمْلَةِ) consisting of a possessed noun followed by a possessive noun

PhraseNoun / NounNounNoun
شِبْهُ الجُمْلَةِمُضَافٌ وَ مُضَافٌ إِلَيْهِمُضَافٌ إِلَيْهِمُضَافٌ
PhrasePossessive compoundPossessive noun/ownerNoun possessed/owned
the worst of creationشَرُّ البَرِيَّةِ=البَرِيَّةِ+شَرُّ
the worst of creationcreationthe worst of
Surah/Below is the only verse in the holy Quran containing the possessive compoundشَرِّ البَرِيَّةِ
Verse
Truly those who disbelieve from the people of the book and the polytheists will be in the fire of hellإِنَّ الَّذِيْنَ كَفَرُوْا مِنْ أَهْلِ الْكِتَابِ وَالْمُشْرِكِيْنَ فِي نَارِ جَهَنَّمَ
98-6abiding therein forever, those are the worst of creation (creatures)خَالِدِيْنَ فِيهَآ أُوْلَآئِكَ هُمْ شَرُّ البَرِيَّةِ