Related Clues:

• It's open to interpretation
• It's open to interpretation (Var.)
• Situation or topic not clearly understood by eager Ray
• Something lacking definition, such as an elephant's bottom?
• Ray eager to resolve doubtful situation
• Matter about which there is no certainty
• Debatable part of an issue
• Where things are not black and white
• Not clearly defined in dull neighbourhood
• Old folks home, perhaps, is neither one thing nor the other
• One of unclear boundaries
• Agree to differ about rejecting fish, where there's doubt
• Pensioners' field that's not properly marked out
• One of undefined boundaries
• It's hard to describe precisely where work is inadequate