As a Verb or Adjective:
1. A situation or experience which is very serious and unpleasant. English = (be) terrible.
2. To cause you to feel great shock, fear, and disgust. English = (be) horrible, (be) shocking, (be) dreadful, (be) appalling.
1. Used alone to show that you feel very unpleasant, shocked, frightened, or disgusted. English = 'Terrible!', 'How awful!', 'Shocking!', 'Appalling!'