فَكَذَّبُوْهُمَا فَكَانُوْا مِنَ الْمُهْلَكِيْنَ ( المؤمنون: ٤٨ )
fakadhabūhumā
فَكَذَّبُوهُمَا
So they denied them
fakānū
فَكَانُوا۟
and they became
mina
مِنَ
of
l-muh'lakīna
ٱلْمُهْلَكِينَ
those who were destroyed
Fakazzaboohumaa fakaanoo minal mmuhlakeen (al-Muʾminūn 23:48)
Sahih International:
So they denied them and were of those destroyed. (Al-Mu'minun [23] : 48)
1 Mufti Taqi Usmani
Thus they rejected both of them and were among the destroyed.