The word(s) "الْأَكْبَرُ" appears in 4 verse(s) in Quran.

(1) وَأَذَانٌ مِّنَ اللَّهِ وَرَسُولِهِ إِلَى النَّاسِ يَوْمَ الْحَجِّ الْأَكْبَرِ أَنَّ اللَّهَ بَرِيءٌ مِّنَ الْمُشْرِكِينَ ۙ وَرَسُولُهُ ۚ فَإِن تُبْتُمْ فَهُوَ خَيْرٌ لَّكُمْ ۖ وَإِن تَوَلَّيْتُمْ فَاعْلَمُوا أَنَّكُمْ غَيْرُ مُعْجِزِي اللَّهِ ۗ وَبَشِّرِ الَّذِينَ كَفَرُوا بِعَذَابٍ أَلِيمٍ

(سورة التوبة, At-Tawba, Chapter #9, Verse #3)
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(2) لَا يَحْزُنُهُمُ الْفَزَعُ الْأَكْبَرُ وَتَتَلَقَّاهُمُ الْمَلَائِكَةُ هَـٰذَا يَوْمُكُمُ الَّذِي كُنتُمْ تُوعَدُونَ

(سورة الأنبياء, Al-Anbiyaa, Chapter #21, Verse #103)
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(3) وَلَنُذِيقَنَّهُم مِّنَ الْعَذَابِ الْأَدْنَىٰ دُونَ الْعَذَابِ الْأَكْبَرِ لَعَلَّهُمْ يَرْجِعُونَ

(سورة السجدة, As-Sajda, Chapter #32, Verse #21)
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(4) فَيُعَذِّبُهُ اللَّهُ الْعَذَابَ الْأَكْبَرَ

(سورة الغاشية, Al-Ghaashiya, Chapter #88, Verse #24)
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