Overpowering fear is a term that describes the feeling of being overwhelmed by fear or TERROR. It can be caused by a variety of factors, such as a traumatic event, a phobia, or a stressful situation. The two crossword solutions for this term are 'TERROR' (6 letters) and 'DREAD' (5 letters). TERROR is an intense fear or horror, while DREAD is a feeling of extreme anxiety or apprehension. Both words describe a powerful emotion that can be difficult to overcome.