The phrase "has been inordinate" is correct and usable in written English.
You can use it to refer to the length or amount of something that has been excessive or disproportionate. For example: The amount of time spent on this project has been inordinate.
"We have no documentation that there has been an inordinate number of accidents," he said.
The government has "been spending an inordinate amount of time looking in the rear view mirror," said Senator Bob Graham, a Florida Democrat and member of the Senate intelligence committee who has been pushing for a counterintelligence reorganization.
Lately, much, but not inordinate, attention has been focused on baseball executives who know how to tickle marginal insights from numbers -- insights like the fact that inexpensive players trapped in the high minor leagues are often satisfactory replacements for expensive but mediocre major leaguers.
But there has always been something unusual about Lawson's brand of celebrity, in the way she has also allowed herself, through interviews and her other writing, to be known, not just as vulnerable ("human really" as nearly all celebrities tediously insist), but as someone who, along with her many gifts, has been the bearer of inordinate grief.
Likewise, the Stampede has support from the media, which has been accused of providing an inordinate amount of positive coverage to the event while trivializing negative aspects.
Some critics make the case that since Hatch-Waxman, an inordinate amount of innovation has been displaced from research to litigation strategies.
For a couple of centuries, New York State's official motto has been "Excelsior," which presumably has nothing to do with an inordinate early American fondness for wood shavings.
Finally, while Marbury has been the consummate team player the past two months, the effects of his inordinate shot totals early in the season have lingered.
For years, the American media has focused inordinate attention on ISIS when the Assad regime has been the cause of extremism.
Moreover, Geithner has been writing regulations for his plan in such a way that threatens to give inordinate profits to a handful of favored institutions.
