Satan has overcome them and made them forget the remembrance of Allah. (58:19)

﴿اسْتَحْوَذَ عَلَيْهِمُ الشَّيْطَانُ فَأَنسَاهُمْ ذِكْرَ اللَّهِ ۚ أُولَٰئِكَ حِزْبُ الشَّيْطَانِ ۚ أَلَا إِنَّ حِزْبَ الشَّيْطَانِ هُمُ الْخَاسِرُونَ﴾
[ المجادلة: 19]

58:19 Satan has overcome them and made them forget the remembrance of Allah. Those are the party of Satan. Unquestionably, the party of Satan - they will be the losers.

Satan has taken control over them and through his whispers, has made them forget the remembrance of Allah, so they do not act to earn His pleasure, but only do those things that incur His wrath.
They are the party of Iblīs and his followers.
Know well that indeed, the party of Iblīs and his followers are the losers in the world and the afterlife, because they have sold guidance in exchange for deviance, and Paradise for the hellfire.

Shaitan (Satan) has overtaken them. So he has made them forget the remembrance of Allah. They are the party of Shaitan (Satan). Verily, it is the party of Shaitan (Satan) that will be the losers!

phonetic Transliteration

Istahwatha AAalayhimu alshshaytanu faansahum thikra Allahi olaika hizbu alshshaytani ala inna hizba alshshaytani humu alkhasiroona

Abdullah Yusuf Ali - Translation

The Evil One has got the better of them: so he has made them lose the remembrance of Allah. They are the Party of the Evil One. Truly, it is the Party of the Evil One that will perish!

Safi-ur-Rahman al-Mubarakpuri

The Shaytan has overpowered them. So he has made them forget the remembrance of Allah. They are the party of Shaytan. Verily, it is the party of Shaytan that will be the losers!.

Page 544 English transliteration