Fill with fear' is an expression used to describe a feeling of intense fear or dread. The crossword solutions for this term are ALARM, SCARE, TERRIFY, APPALL, PETRIFY, AWE, and COW. ALARM is used to describe a sudden fear or shock, while SCARE is used to describe a feeling of fear caused by something unexpected. TERRIFY is a stronger version of SCARE, and APPALL is used to describe a feeling of horror or revulsion. PETRIFY is an even stronger version of TERRIFY, and AWE is a feeling of admiration or respect mixed with fear. Finally, COW is used to describe a feeling of being overwhelmed with fear.