What does the word indefeasible mean?

Usage examples for indefeasible

  1. It was the gift of the Indians, and was his as absolutely as though it had come by Deed of Warranty with all its covenants, clear and indefeasible. – Colorado--The Bright Romance of American History by F. C. Grable
  2. In 1866, Judge Longfield conveyed to my uncle, under what was called an indefeasible title, the lands of Inch East, Ardroe and Inch Island, and previous to the sale, Judge Longfield caused them to be valued by Messrs. – The Reminiscences of an Irish Land Agent by S.M. Hussey
Alphabet: