Az-Zukhruf • BN-TAFSEER-IBN-E-KASEER
﴿ لَا يُفَتَّرُ عَنْهُمْ وَهُمْ فِيهِ مُبْلِسُونَ ﴾
“it will not be lightened for them; and therein they will be lost in hopeless despair.”
Please check ayah 43:80 for complete tafsir.