Surah Al-Buruj 85:19
بَلِ ٱلَّذِينَ كَفَرُوا۟ فِى تَكْذِيبٍ
But they who disbelieve are in [persistent] denial,
Translation: Saheeh International
Tafsir
Nay but the disbelievers are engrossed in denial of the mentioned;
Excerpt from Tafsir al-Jalalayn, commentary on 85:19, via Quran.com. The reader has the full commentary and 9 more tafsirs.