indefeasible Meaning, Definition & Usage

  1. adjective not liable to being annulled or voided or undone
    • an indefeasible right to freedom
    • an indefeasible claim to the title

WordNet

In`de*fea`si*ble adjective
Etymology
Pref. in- not + defeasible: cf. OF. indefaisable.
Definitions
  1. 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 1913