Words from this root (4)
atrabiliary
C2+
/ˌætrəˈbɪliˌɛɹi/
melancholic or ill-tempered; pertaining to black bile
atrabilious
C2+
/ˌætrəˈbɪliəs/
melancholy, gloomy, or bad-tempered
atrocious
C2+
/əˈtroʊʃəs/
horrifyingly wicked; of very poor quality
atrociousness
C2+
/əˈtroʊʃəsnəs/
the quality of being extremely wicked, brutal, or appalling