"inordinate importance" is correct and usable in written English.
You can use it to describe something that you feel has been given more weight or attention than necessary. For example, "The town placed inordinate importance on adding a fountain to the park."
Words of inordinate importance to Jeremy begin with capital letters (like Breast and Lunchroom).
Just as mathematics is the most easily quantifiable subject in the curriculum and thereby lends itself to easy testing, to place inordinate importance on test results forces all teachers to concentrate on teaching to the test — especially when their very livelihood is dependent on these results!
"Under the right to control, which is the most important factor, California courts made it clear that at-will nature of right to terminate has inordinate importance," Judge Corley said.
My sophisticated, dynamic brain that affords me the opportunity, if I allow it, to place inordinate importance upon blithering non-essentials such as Fame and Status and Wealth and Beauty.
One of the most toxic effects on our well-being is our belief in the inordinate importance of our successes and failures on the possibility of happiness in the future, according to Sonja Lyubomirsky in her book, The Myths of Happiness.
Because of its abundance and the inordinate economic importance of the members of this genus, it is essential to be able to easily and accurately identify the various species.
In allocating limited funds between competing public pursuits, justice's demand that some critical services be provided is no less a requirement that other services of lesser importance or inordinate expense be forgone" [ 56].
At the Aspen Daily News, where substance abuse can sometimes seem like an indoor sport, the back-to-back-to-back incidents were still notable for the tendency of the editors in question to try to talk themselves out of trouble with the authorities in question--a move bespeaking both self-importance and their awareness of their inordinate power in a small town.
"AN INORDINATE fondness for beetles".
It's an inordinate form".
The inordinate delays impose heavy tolls.
