affreux adjective 1noun 1forms 2 adjective1 •(rare) Dreadful; disturbing or frightening.Orpheus calls the sound 'affreux'; the examiners may have agreed. — 2001 noun[plural only]1 •A group of particularly brutal mercenaries who were active in Africa and Asia during the 1960s.As one Belgian journalist wrote: The affreux ["frightful ones"] are outstanding in combat. — 1972 formsmore affreux · most affreux
