As a Noun: 1. A very great fear or something that makes you very frightened. English = terror. 2. The shaking of the body from fear. English = trembling. 3. A feeling of worry and fear about something. English = nervousness. As a Verb or Adjective: 1. To be or feel extremely frightened. English = (be) terrified. 2. To tremble with fear. 3. To be worried and frightened about something and show this in your behaviour. English = (be) nervous.