وَقَوْمَ نُوْحٍ مِّنْ قَبْلُۗ اِنَّهُمْ كَانُوْا هُمْ اَظْلَمَ وَاَطْغٰىۗ ( النجم: ٥٢ )
Wa qawma Noohim min qablu innahum kaanoo hum azlama wa atghaa (an-Najm 53:52)
And the people of Noah before. Indeed, it was they who were [even] more unjust and oppressing. (An-Najm  : 52)
1 Mufti Taqi Usmani
and (destroyed) the people of NūH even earlier. Surely they were more unjust and more rebellious.