Ambiguous might not be quite the right term. In many cases for such an invite, it's desirable that it be pretty clear you mean a date, but you still retain deni

Ambiguous might not be quite the right term. In many cases for such an invite, it's desirable that it be pretty clear you mean a date, but you still retain deniability. I guess you could say you want the implication to be clear and fairly unambiguous, but not explicit/provable. Double entendre comes to mind.