﴿ وَقَوْمَ نُوحٍۢ مِّن قَبْلُ ۖ إِنَّهُمْ كَانُوا۟ هُمْ أَظْلَمَ وَأَطْغَىٰ ﴾

“as well as the people of Noah before them - [since,] verily, they all had been most willful in their evildoing and most overweening –”

Please check ayah 53:55 for complete tafsir.