ˈdeɪnʒ(ə)ɹəs ˈdeɪnd͡ʒəɹəs ɡɹiː.vəs ˈsɪəɹ.i.əs ˈsɪə.ɹi.əs sɪˈvɪr ʌnˈseɪf causing fear or anxiety by threatening great harm a dangerous operation a grave situation a grave illness grievous bodily harm a serious wound a serious turn of events a severe case of pneumonia a life-threatening disease involving or causing danger or risk; liable to hurt or harm a dangerous criminal a dangerous bridge unemployment reached dangerous proportions