defeasible

Back-formation from defeasance +‎ -ible, from Anglo-Norman defesaunce, Old French desfaisance, a deverbal noun from desfaire (“to undo”) (Modern French défaire), from des- (“un-, apart”) + fere, faire (“to do”) + -able, reflecting Latin dis- + facere + -ābilis. Near-doublet of defeatable.

• (UK) IPA^(key): [dɪˈfiːzɪbəɫ]

defeasible (comparative more defeasible, superlative most defeasible)

1. (law, logic) Capable of being defeated, terminated, annulled, voided or invalidated.

   The accounting charge for the non-callable debt is defeasible by an escrow.

• defeasibility
• defeasible fee
• indefeasible