The phrase "fear level" refers to how much fear or worry someone is experiencing. It is a way to describe how scared or anxious a person feels about something. Full definition
For example, dog with high fear levels that has been whistled at for going through the back door with muddy paws might never even use the back door to go in again. (puppywire.com)
Stay calm As our furkids are intuitive, they can sense our anxiety and fear levels too! (petsmagazine.com.sg)
Results: Thirty - one percent (n = 190/604) of nulliparous and 18 % (n = 143/782) of multiparous women reported high fear levels. (scirp.org)