Usage History of 'improbable'

The following chart shows how frequently 'improbable' appeared in printed materials over time. For example, the word 'improbable' occurred 2 times in books in 1524 and 158,622 times in 2008. From 1524 to 2008, the word 'improbable' was used a total of 4,403,516 times in books scanned by Google. See Reference: Google Ngram project.

See also:

Find all anagrams of 'improbable'
Words starting with a,b,c...
Words ending with a,b,c...
Words starting & ending with a,b,c....