Here's a breakdown:
* Visibly: This emphasizes that the intimidation is evident and easily noticed.
* Cower: This refers to the physical act of shrinking back or crouching down in fear.
Example: "The young boy stood visibly-cowed in front of the imposing bully, unable to speak."
Other words that convey a similar meaning:
* Apprehensive
* Timid
* Cowed
* Intimidated
* Submissive
* Demoralized
* Fearful
* Terrified
Note: While "cowed" is often used to describe someone being intimidated by a person or authority figure, it can also apply to situations or events that evoke fear.