"lose priority" is correct and usable in written English.
You can use it to express the idea that something has become less important than other things. For example, you could say, "Due to the pandemic, attending college classes has lost priority for many students."
The system rewards those donors who stay current with the biggest checks; if they don't give money each year, they lose priority on the seating lists.
Our first finding is that two common approaches using independent lotteries for each item, and using a waitlist in which agents lose priority when they rejec tan offer – lead to identical outcomes in equilibrium.
But neither the Yankees nor the Mets have met with state officials since the attack on the World Trade Center in September, when the stadium projects appeared to lose priority.
It seems that these targets are seen to be generally very important, but lose priority when compared to the other targets.
Two years later a makeshift office opened in Washington, but after 9/11, chasing counterfeit goods lost priority.
Nevertheless, Einstein, like Darwin, was driven to a great creative outpouring for fear of losing priority.
That growth has spurred some concerns in San Martín de los Andes that conservation may be losing priority to the economic needs of the Mapuches.
As a result of the recent world economy slowdown many investment plans for refinery capacity expansions were postponed, and the optimization of existing process units, that had lost priority in relation to the design of new ones, came again to prominence.
There was, at some point in the plastics industry, an expectation that the US government would soon be regulating some sort of environmental practices, or that the consumer base would soon demand them, but neither has happened and many environmentally friendly efforts that were proposed and even initially pursued have fallen off the radar and lost priority.
In turn, ETI has lost priority standing in many venues.
"I was doing music and going out and smoking bongs and playing computer games, losing priorities a bit.
