The word(s) "weariness" appears 2 time(s) in 2 verse(s) in Quran in Saheeh International translation.

(1) He who has settled us in the home of duration out of His bounty. There touches us not in it any fatigue, and there touches us not in it weariness [of mind]."

(سورة فاطر, Faatir, Chapter #35, Verse #35)
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(2) And We did certainly create the heavens and earth and what is between them in six days, and there touched Us no weariness.

(سورة ق, Qaaf, Chapter #50, Verse #38)
(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)