əˈtɹəʊʃəs əˈtɹoʊʃəs fləˈdʒɪʃəs ɡɹiː.vəs ˈheɪnəs ˈmɑnstɹəs ˈmɒnstɹəs shockingly brutal or cruel murder is an atrocious crime a grievous offense against morality a grievous crime no excess was too monstrous for them to commit extremely wicked, deeply criminal a flagitious crime heinous accusations