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

(1) Faamma allatheena amanoo waAAamiloo alssalihati fayuwaffeehim ojoorahum wayazeeduhum min fadlihi waamma allatheena istankafoo waistakbaroo fayuAAaththibuhum AAathaban aleeman wala yajidoona lahum min dooni Allahi waliyyan wala naseeran

(سورة النساء, An-Nisaa, Chapter #4, Verse #173)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) Waallatheena kaththaboo biayatina waistakbaroo AAanha olaika ashabu alnnari hum feeha khalidoona

(سورة الأعراف, Al-A'raaf, Chapter #7, Verse #36)
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(3) Inna allatheena kaththaboo biayatina waistakbaroo AAanha la tufattahu lahum abwabu alssamai wala yadkhuloona aljannata hatta yalija aljamalu fee sammi alkhiyati wakathalika najzee almujrimeena

(سورة الأعراف, Al-A'raaf, Chapter #7, Verse #40)
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(4) Wainnee kullama daAAawtuhum litaghfira lahum jaAAaloo asabiAAahum fee athanihim waistaghshaw thiyabahum waasarroo waistakbaroo istikbaran

(سورة نوح, Nooh, Chapter #71, Verse #7)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)