Usage History of 'irretrievably'

The following chart shows how frequently 'irretrievably' appeared in printed materials over time. For example, the word 'irretrievably' occurred 2 times in books in 1574 and 20,660 times in 2008. From 1574 to 2008, the word 'irretrievably' was used a total of 502,441 times in books scanned by Google. See Reference: Google Ngram project.

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