Meanings
Because grey is a blend of black and white, and thus a metaphor for how an imperfect nature is a blend of perfection and perfidy.
How to pronounce "grey area":
AU
An area intermediate between two mutually exclusive states or categories, where the border between the two is fuzzy.
A topic that is not clearly one thing or the other, that is open to interpretation.
Example Sentences
1
The issue of whether doctors should assist their patients in dying is a grey area in medicine.
2
Determining what constitutes appropriate use of social media during work hours can be a grey area for employers.
3
The new tax law has created a grey area regarding deductions for small business owners.
4
The question of whether or not animals can feel emotions is still a grey area in scientific research.
5
Defining the boundaries of free speech can be a grey area in legal systems.