The phrase 'ambiguously defined' is correct and can be used in written English.
You can use it when you want to express that something is not clearly defined, or that it has multiple or unclear interpretations. For example: "The terms of the contract were ambiguously defined, leaving all parties confused about their obligations."
The implications of absentee ownership are not clearly understood, perhaps because the absentee concept is ambiguously defined and inconsistently specified.
It is being axed and replaced with an ambiguously defined body under the vague title of the Commission for Equalities and Human Rights CEHRR).
Companies with large copyright holdings are also hoping to whittle away the safe harbor in copyright law called fair use, which allows limited and ambiguously defined amounts of imitation for education, criticism, parody and other purposes.
In fact, the question of how the train-operating companies are franchised is marginal compared to the infrastructure operation of Network Rail, an organisation ambiguously defined, but whose vast levels of borrowing are backed by the government.
Recent advances are also superimposed on an underlying semantic structure that dates to the 1800's or earlier that is confusing, with ambiguously defined, and at times even contradictory, meanings.
What's painfully apparent from all this is that it's summer in Tehran, which in recent memory has meant a renewed push by hardliners who control the disciplinary forces to redeploy the morality police in larger numbers to keep tabs on those who stray from the ambiguously defined public dress code.
Some studies evaluated response by physical examination, and a complete response was defined ambiguously as "not clinically detectable" [ 10, 15].
Currently a number of terms, like retention, attrition and lost to follow-up, are defined ambiguously in the literature.
Patients were excluded if the medical specialty of the prescribed physician, the region or insurance membership status of the index prescription were not available or defined ambiguously.
There are some studies reporting the results of omitting planned neck dissection in patients who obtain complete response (defined ambiguously as "not clinically detectable").
One objection to p-value adjustments is that the significance of each test will be interpreted according to how many outcome measures are considered in the family-wise hypothesis, which has been defined ambiguously, arbitrarily and inconsistently by its advocates.
