ض ر عḍ-r-ʿ
(ف) ضَرَعَ يَضْرَعُ ضَرَاعَةًḍaraʿa yaḍraʿu ḍarāʿatan: to be weak, to be useless.
ضَرِيْعٌḍarīʿ (adjective on the pattern of فَعِيْلٌfaʿīl): useless always and in every condition; a thorny shrub. ﴿لَيْسَ لَهُمْ طَعَامٌ اِلَّا مِنْ ضَرِيْعٍ﴾ (Al-Ghāshiyah 88:6)
Form V (tafaʿʿul) تَضَرَّعَ يَتَضَرَّعُ تَضَرُّعًاtaḍarraʿa yataḍarraʿu taḍarruʿan, also اِضَّرَّعَ يَضَّرَّعُ اِضَّرُّعًاiḍḍarraʿa yaḍḍarraʿu iḍḍarruʿan (both are permissible): to show weakness and humility, to implore. ﴿اُدْعُوْا رَبَّكُمْ تَضَرُّعًا وَّخُفْيَةً﴾ (Al-Aʿrāf 7:55); ﴿فَلَوْلَآ اِذْ جَآءَهُمْ بَاْسُنَا تَضَرَّعُوْا﴾ (Al-Anʿām 6:43)