(ض) صَبَرَ يَصْبِرُ صَبْرًاṣabara yaṣbiru ṣabran: to hold fast to the demands of reason in hard and adverse circumstances, to remain steadfast, to endure.
اِصْبِرْiṣbir (imperative, amr): remain steadfast, endure; صَبْرٌṣabr (also a noun, ism dhāt): steadfastness. ﴿وَاصْبِرْ وَمَا صَبْرُكَ اِلَّا بِاللّٰهِ﴾ (An-Naḥl 16:127)
صَابِرٌṣābir (active participle, ism fāʿil): steadfast, enduring. ﴿اِنَّ اللّٰهَ مَعَ الصّٰبِرِيْنَ﴾ (Al-Baqarah 2:153)
صَبَّارٌṣabbār (intensive form (ṣīghat al-mubālaghah) on the pattern of فَعَّالٌfaʿʿāl): exceedingly steadfast, one who bears and endures a great deal. ﴿اِنَّ فِيْ ذٰلِكَ لَاٰيٰتٍ لِّكُلِّ صَبَّارٍ شَكُوْرٍ﴾ (Ibrāhīm 14:5)
Form III (mufāʿalah) صَابَرَ يُصَابِرُ مُصَابَرَةًṣābara yuṣābiru muṣābaratan: to strive to outdo someone in steadfastness; صَابِرُوْاṣābirūā (imperative, amr): outdo in steadfastness, remain superior in it. ﴿اصْبِرُوْا وَصَابِرُوْا﴾ (Āl ʿImrān 3:200)
Form VIII (iftiʿāl) اِصْطَبَرَ يَصْطَبِرُ اِصْطِبَارًاiṣṭabara yaṣṭabiru iṣṭibāran (original form: اِصْتَبَرَ يَصْتَبِرُ اِصْتِبَارًاiṣtabara yaṣtabiru iṣtibāran): to stand firm deliberately; اِصْطَبِرْiṣṭabir (imperative, amr): stand firm deliberately. ﴿وَاصْطَبِرْ لِعِبَادَتِهِۦ﴾ (Maryam 19:65)