Surah Al-Qamar 54:9

۞ كَذَّبَتْ قَبْلَهُمْ قَوْمُ نُوحٍ فَكَذَّبُوا۟ عَبْدَنَا وَقَالُوا۟ مَجْنُونٌ وَٱزْدُجِرَ

The people of Noah denied before them, and they denied Our servant and said, "A madman," and he was repelled.

Translation: Saheeh International

Tafsir

The people of Noah denied kadhdhabat has feminine inflection on account of the import referring to a feminine noun qawm ‘tribe’ before them before Quraysh. Thus they denied Our servant Noah and said ‘A madman!’ and he was reviled they repulsed him with insults and in other ways.

Excerpt from Tafsir al-Jalalayn, commentary on 54:9, via Quran.com. The reader has the full commentary and 9 more tafsirs.