The word(s) "luxurious" appears 2 time(s) in 2 verse(s) in Quran in Muhammad Pickthal translation.

(1) Till when We grasp their luxurious ones with the punishment, behold! they supplicate.

(سورة المؤمنون, Al-Muminoon, Chapter #23, Verse #64)
(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 even so We sent not a warner before thee (Muhammad) into any township but its luxurious ones said: Lo! we found our fathers following a religion, and we are following their footprints.

(سورة الزخرف, Az-Zukhruf, Chapter #43, Verse #23)
(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)