defease

[ dih-feez ]
/ dɪˈfiz /

verb (used with object), de·feased, de·feas·ing.

to defeat or annul (a contract, deed, etc.).

Origin of defease

First recorded in 1470–80; back formation from defeasance
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019