In a manner that is not measurable, in a way that can not be measured.(adjective)
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Use "immeasurably" in a sentence
"Because although obviously the technology of both war and medicine has changed immeasurably from the dark ages to the modern day, I think the emotions of both have remained very much the same."
"Helping immeasurably is the fact that the filmmakers started this project during an excellent season."
"Like many other Laureates, I have benefit immeasurably from the love and support of my wife and children."