adj. Not yet executed or fully performed. Pertaining to administration, or putting the laws in force; executive. (Law) Taking effect at a future time. Designed to be executed or carried into effect in time to come, or to take effect on a future contingency; as, an executory devise, reminder, or estate; an executory contract. To be completed in the future or a contract that still must be performed. Whatever may be executed; as an executory sentence or judgment, an executory contract.