What is not to be defeated; not defeasible; incapable of being annulled or made void; as, an indefeasible or title. That the king had a divine and an indefeasible right to the regal power. Macaulay called?

indefeasible — Not to be defeated; not defeasible; incapable of being annulled or made void; as, an indefeasible or title. That the king had a divine and an indefeasible right to the regal power. Macaulay. (Webster's 1913.)

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