The word(s) "grieving" appears 2 time(s) in 2 verse(s) in Quran in Muhammad Habib Shakir translation.

(1) And be not infirm, and be not grieving, and you shall have the upper hand if you are believers.

(سورة آل عمران, Aal-i-Imraan, Chapter #3, Verse #139)
(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) And warn them of the day that draws near, when hearts shall rise up to the throats, grieving inwardly; the unjust shall not have any compassionate friend nor any intercessor who should be obeyed.

(سورة غافر, Ghafir, Chapter #40, Verse #18)
(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)