Not graded
Sunan ad-Darimi 404
أَخْبَرَنَا أَحْمَدُ حَدَّثَنَا شَرِيكٌ عَنْ أُمَيٍّ عَنْ الشَّعْبِيِّ قَالَ إِنَّمَا سُمُّوا أَصْحَابَ الْأَهْوَاءِ لِأَنَّهُمْ يَهْوُونَ فِي النَّارِ
This hadith has no English translation yet: the Arabic text, the reference and the grade are shown here.
Reported by Ad-Darimi (No. 404).