The phrase "as increasingly irrelevant" is correct and usable in written English.
It can be used to describe something that is becoming less significant or important over time.
Example: "In the age of digital communication, traditional print media is seen as increasingly irrelevant."
Alternatives: "growing less relevant" or "becoming more obsolete."
Considering so little is achieved, it is easy to dismiss Asean as increasingly irrelevant.
Today, the United States is perceived by the Arab public as increasingly irrelevant to the issues Arabs care about.
Europe has been left with the impression that America views it as increasingly irrelevant to U.S. interests in the world at large.
And, while we can't speak for all of our former colleagues still serving in nuclear bunkers, we know that a growing number of them view their jobs as increasingly irrelevant.
Even if Mr. Letterman elects to stay with CBS, and there were signs that he will, Mr. Koppel and his staff will be left with a program that their own corporate bosses have denigrated as increasingly irrelevant.
The vigil, which each year draws tens of thousands of people, has caused a widening rift in Hong Kong's pro-democracy camp between those who believe the victims of the crackdown should be remembered and those who see the event's message as increasingly irrelevant.
While the Edinburgh international festival makes itself increasingly irrelevant as far as classical music is concerned, its more modest autumn neighbour, spread around Lothian's churches and grand houses, goes from strength to strength.
Though long derided as moldy and increasingly irrelevant, live theater has in recent years become an epicenter for such self-reinvention.
Horace Dediu, an independent analyst based in Finland who focuses on the mobile industry, said that the difference in quality among the products was so small as to be increasingly irrelevant.
The European investigation comes amid a resurgence in the use of mainframe computing, which little more than a decade ago was widely dismissed as expensive and increasingly irrelevant in a market dominated by personal computers.
And as newspapers become increasingly irrelevant, it's natural that there's some solution for celebrating someone's life online.
