The phrase "that is irreplaceable" is grammatically correct and can be used in written English.
It is typically used to describe something or someone that is unique and cannot be substituted or replaced. Example: My grandmother's diamond ring is not only valuable, but also has sentimental value that is irreplaceable to me.
There is an aura to books that is irreplaceable.
The Americans have national interests in Europe and they play a deterrent role that is irreplaceable.
As Tom Rothman, the chairman of Fox Filmed En-tertainment, said to me, "There is something about the commonality of the experience that is irreplaceable".
Garlic is a splendid thing, and one that is irreplaceable, yet there is no question but that it is possible to use too much of it.
"We have opened a lot of points of sale in China, perhaps a bit too much, but you must disconnect the store from its performance, because having a boutique is a communications tool that is irreplaceable," said Philippe Léopold-Metzger, chief executive of Piaget, which is owned by Richemont and has 20 of its 90 stores in China.
"This was not a kind of corporate entity that I was prepared to lose, and the county could afford to lose, because this is an international brand that is irreplaceable in terms of what it does for jobs, and for the reputation and the prestige of the county," he said in an interview.
That's the stuff that's irreplaceable in your life, I guess," he said.
"God help us, there are documents up there that are irreplaceable," she said.
"We restore old pieces that are irreplaceable, that have been passed down in a family or that are already 25 or 30 years old," she said.
The University Herbarium (UC) and Jepson Herbarium (JEPS) have a current combined total of about 2,200,000 preserved specimens that are irreplaceable physical records of biodiversity.
She also said the theater's underground offices suffered greatly as water damaged artist renderings for set designs and other materials, "things that are irreplaceable," Ms. Garza said.
