grey area
Concise Oxford English Dictionary © 2008 Oxford University Press:
grey area
▶noun an ill-defined area of activity not readily conforming to a category or set of rules.
'grey area' also found in these Oxford entries:
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grey areaConcise Oxford English Dictionary © 2008 Oxford University Press: grey area ▶noun an ill-defined area of activity not readily conforming to a category or set of rules. 'grey area' also found in these Oxford entries:
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