Ngahasilkeun versi leuwih kompléks tina kalimah ieu fee basajan determinable mangrupakeun estate nu bakal mungkas otomatis lamun kaayaan nyatakeun lumangsung.
Tangtu, versi nu leuwih kompleks tina kalimah nyaéta "A fee simple determinable is an estate that will end automatically if the condition of the grantor occurs and the interest will revert to the grantor or the heirs of the grantor".