نصب

هَمٌّ نَاصِبٌ ذ i. q. مُنْصِبٌ, Grief, or anxiety, that fatigues, tires, or wearies: (K:) after the manner of a rel. n.: (Sb, K:) meaning ذُو نَصَبٍ; like تَامِرٌ and لَابِنٌ: or ناصب is here an act. part. n. used in the sense of the pass. part. n. [مَنْصُوبٌ] followed by فِيهِ; i. e. يُنْصَبُ فِيهِ, in which one is fatigued, tired, or wearied; like لَيْلٌ نَائِمٌ, meaning يُنَامُ فِيهِ, &c.: (S:) or the phrase نَصَبَهُ الهَمُّ, in the sense of أَتْعَبَهُ, has been heard; (K;) and ناصب is its act. part. n. (TA.) ― -b2- نَصَبٌ نَاصِبٌ is also said to be a phrase of the same kind as مَوْتٌ مَائِتٌ, and شِعْرٌ شَاعِرٌ; [therefore meaning Severe fatigue, or difficulty, or trouble, and the like ]. (TA.) ― -b3- Also عَيْشٌ نَاصِبٌ, and ↓ ذُو مَنْصَبَةٍ, A fatiguing, laborious, or troublesome, life. (K.) ― -b4- النَّوَاصِبُ, and ↓ النَّاصِبِيَّةُ, and أَهْلُ النَّصْبِ, Appellations of a sect who made it a matter of religious obligation to bear a violent hatred to 'Alee (K) the son of Aboo-Tálib: (TA:) [so called] لِأَنَّهُمْ نَصَبُوا لَهُ because they acted with hostility, or enmity, towards him, (K,) and openly opposed him: they were a sect of the Khawárij, الخَوَارِجُ. (TA.)