"vaguely outlined" is a correct phrase and can be used in written English.
It can be used to describe something that is not clearly defined or described. Here is an example sentence: "The plot of the novel was vaguely outlined, leaving much room for interpretation and speculation among readers."
On Wednesday, one judge overseeing the probe vaguely outlined some charges.
But the administration has only vaguely outlined what the commitment would be.
All have systems of compulsory health insurance which bear some relation to the reforms which Mr Obama has, vaguely, outlined for the US.
The first day of trading of the new shares, which could bring in €2bn for Bertelsmann, was vaguely outlined as "before the summer break".
But in Westerly's historic downtown, where Mr. Royce controls more than a dozen properties, many of them vacant, redevelopment plans that have been vaguely outlined over the last several years have only grown more hazy.
The plan, vaguely outlined by Mrs. Merkel and Mr. Sarkozy after they met in Paris last Tuesday, to introduce economic governance on the E.U. level would mean Brussels encroaching on Germany's national budgets and tax systems.
Many writers who are having trouble WANTING to connect with their subject, characters, etc, find that vaguely outlining their desired piece helps.
Because if so, it will take a lot more than the vague promises outlined in party manifestos last week and will require an end to the shameless political game-playing that we've seen during this election campaign.
If we do, we need more than the vague promises outlined in party manifestos last week and an end to the shameless game-playing with the NHS that we've seen during this election campaign".
"The dam's impacts on the dolphins probably cannot be mitigated, and certainly not through the limited and vague plans outlined in the project's environmental impact assessment," Chhith Sam Ath, WWF-Cambodia's country director, said in a statement.
In the background, one might see the vague outline of the Middle Kingdom.
