a grey area

(British & Australian) also a gray area (American)

a subject or problem that people do not know how to deal with because there are no clear rules The legal difference between negligence and recklessness is a bit of a grey area.

Common Names:

Name	Pronounced	Usage
NadİRe	-	Turkish
Ossian	-	Literature
Dieuwke	DOO-kə	Frisian
Gauri	-	Hinduism, Indian, Hindi, Marathi
Wendelin	VEN-de-leen (German)	German, Dutch, Ancient Germanic
Sidney	['sidni]