indefeasible

/ˌɪndɪˈfizəbəl/
adjective
  1. Not able to be cancelled, revoked, or made void; permanent and certain.
    • The land grant was considered an indefeasible right passed down through generations.
    • She believed in the indefeasible dignity of every human being.
    • The contract contained an indefeasible clause that could not be changed by either party.
What does "indefeasible" mean? | whatsthatwordmean | whatsthatwordmean