defeasible
de·fea·sible
adjective
1.
capable of being annulled or voided or terminated
- “a claim to an estate may be defeasible so long as the claimant is under 21 and unmarried”
Origin
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.
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