"marginally relevant to" is a correct and usable phrase in written English.
It is typically used to describe something that has some but not a lot of connection or relevance to a given topic or idea. For example: The article was only marginally relevant to the discussion we had in class.
The result is a clutter of facts only marginally relevant to the subject.
The huge intelligence apparatus in Afghanistan was "only marginally relevant" to Nato's overall war plan, he said.
Mike Luftman, a spokesman for Time Warner Cable, said in an interview that it considered public relations a sidelight, marginally relevant to the main objective of concluding its deal with Disney.
On Monday, the top American military intelligence officer in Afghanistan published a report calling the information gathered in the country "only marginally relevant" to counterinsurgency efforts and concluding that little of the information gathered in the field is useful for analysts working in Washington and Kabul.
Most citizens of Silicon Valley see the drama around the Fed's activities as only marginally relevant to innovation and entrepreneurship. .
(We're trying to strike a balance between IPAD IPAD IPAD and other, non-iPad stuff, even if they're only marginally relevant to CrunchGear).
Or will it prove marginally relevant at best to any national policy conversation?
This results in weeks of keeping false and marginally relevant claims in the news to the clear detriment of the target and an informed electorate.
The evidence relates to a "critical element of the Prosecution's case" or, put another way, to a live and important issue between the parties, as opposed to a peripheral or marginally relevant issue (Prosecutor v. Milošević 21 March 2002, para. 24).
Any influence of climate change on dangerous tornadoes (so far the data point to a moderating influence) is, at best, marginally relevant and, at worst, a distraction.
Including the marginally relevant and statistically significant predictors (5), the number of risk factors increased to a total of nine.
