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unrefutable

  • a word derived from refutable.
    refutable
    adjective
    able to be proven false.

Example Sentences

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Other unrefutable evidence shows that Gutenberg could not have begun printing at Mainz before the end of 1450.

From From Xylographs to Lead Molds; A.D. 1440-A.D. 1921 by H. C. Forster

On September 29th another unrefutable sign of spring appeared in the arrival of a flock of Antarctic petrels.

From The Great Events by Famous Historians, Volume 21 The Recent Days (1910-1914) by Charles F. (Charles Francis) Horne