"highly underutilized" is correct and can be used in written English.
You can use it to describe something that is not being used as much as it should be. For example, "The library's resources are highly underutilized due to lack of awareness among students."
"The take-home message is that it appears that probiotics are highly underutilized in hospitalized older adults," said the lead author, Bradley C. Johnston, an epidemiologist at The Hospital for Sick Children in Toronto.
This creates increased traffic demand on major arteries and leaves vast amounts of pavement inside subdivisions highly underutilized.
The desire to eliminate foreign traffic and limit movement on subdivision streets created highly underutilized internal subdivision streets and unnecessary traffic problems along major arteries.
Openly reading a book at an event is a highly underutilized form of protest.
It puzzled most Raptors fans last year that Johnson was highly underutilized against Paul Pierce and the Washington Wizards.
It clearly demonstrates that, for our sample of people affected by DC, the response categories unable and severe difficulty are highly underutilized with a very high proportion of respondents using the no difficulty response category, which is consistent with our hypothesis that the DASH's items are too easy for this population.
Although highly effective antithrombotic medicines, specifically warfarin, are significantly underutilized in practice [ 12- 16]; data from local Australian practice shows that this is especially true in the target at-risk older population, even in the absence of apparent contraindications [ 12].
Again, while often highly accessible and relevant for crime research, these methods are currently underutilized by crime researchers.
A log-normal spatial traffic distribution is assumed, where the central floor is highly loaded with one of its cells experiencing extremely large call blocking, while upper and lower floors are underutilized.
While often highly accessible and relevant for crime research, these technologies and methods are currently underutilized by criminologists who still tend to rely on traditional data-collection methods, such as systematic observation and surveys.
Unless majority of the data is uniformly "hot" it is highly inefficient to store the data in high-value SCMs as they are underutilized and do not justify the high investment [3, 4, 23].
