Words similar to irreplaceable

Example sentences for: irreplaceable

How can you use “irreplaceable” in a sentence? Here are some example sentences to help you improve your vocabulary:

The cost, time and irreplaceable nature of some of the samples used for microarray analysis require that a method to compare data from different generations be developed.
Churches offer day care, food banks, and irreplaceable volunteer services, and can help reduce crime.
According to the publication, just months after the skiing accident death of her husband, Sonny, she tossed "piles of irreplaceable mementos" of the late singer-congressman into the dumpster, where they were retrieved by one of his former restaurant employees.
… Other than his self-description as an irreplaceable figure, the re-election candidate offers nothing new."
There are other possible mediums of exchange, and it is silly to imagine that this pretty, but only moderately useful, substance has some irreplaceable significance.