The meaning of FEE SIMPLE DEFEASIBLE is a fee-simple estate that may come to an end under a stipulated provision; sometimes : fee simple determinable.
As with pragmatic inference generally, such inferences are defeasible or cancellable - the inferred meaning may not be true, even though the literal meaning is true. en.wikipedia.org But here is proved, in writing, a promise that the estate should be only a pledge, and that the deed should...
or the performance of a conditionsubsequent.The most common legal application of the term is with respect to estates as interest in land, such as in the case of a conveyance or a life estate, which is defeasible upon the happening of a certain specified event, for example, the death of ...