riya (showing off)

إِنَّ ٱلْمُنَـٰفِقِينَ يُخَـٰدِعُونَ ٱللَّهَ وَهُوَ خَـٰدِعُهُمْ وَإِذَا قَامُوٓا۟ إِلَى ٱلصَّلَوٰةِ قَامُوا۟ كُسَالَىٰ يُرَآءُونَ ٱلنَّاسَ وَلَا يَذْكُرُونَ ٱللَّهَ إِلَّا قَلِيلًا

Indeed, the hypocrites [think to] deceive Allāh, but He is deceiving them. And when they stand for prayer, they stand lazily, showing [themselves to] the people and not remembering Allāh except a little,