YIMBY /ˈjɪmbi/adjective 1noun 1phrase 2forms 4 adjective1 •Supporting nearby development (especially the construction of more housing).From a YIMBY perspective, the high-rises are good for the city. noun1 •Someone who endorses development (especially the construction of more housing) near them.The local YIMBYs came out in favor of the project. phrase2 •Acronym of yes, in my backyard.YIMBY encompasses home composting, "grass cycling" and landscape alteration. — 1993 •Acronym of yes, in many backyards. formsYIMBYs · yimbys · more YIMBY · most YIMBY