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.
neggingnoun [ U ] /neÉ¡.ÉªÅ/ /neÉ¡.ÉªÅ/ informal. âº the practice of making negative or slightly insulting comments to someone you find attractive in order to make them take an interest in you. (Definition of âneggingâ from the Cambridge Advanced Learner's Dictionary & Thesaurus Â© Cambridge University Press)