prodrug A substance which, after metabolic action in the body, is coverted to an active drug. prodrug drug modified by biotransformation (i.e. metabolic processes) to achieve desired pharmacological action proÂ·drug (prÅ'drÅ­g) A class of drugs, the pharmacologic action of which results from conversion by metabolic processes within the body.
verb (used without object), sagged, sagging. 1. to sink or bend downward by weight or pressure, especially in the middle: The roof sags. 2. to hang down unevenly; droop: Her skirt was sagging.
Definition of stoop. intransitive verb. 1a : to bend the body or a part of the body forward and downward sometimes simultaneously bending the kneesb : to stand or walk with a forward inclination of the head, body, or shoulders. 2 : yield, submit. 3a : to descend from a superior rank, dignity, or statusb : to lower oneself morally stooped to lying.