Fashionable 1950s American euphemism for large-scale destructive redevelopment, often in associationwith central or municipal government, offering rich pickings for commercial architects. 2. the rehabilitation of city areas by renovating or replacing dilapidated buildingswith new housing, public buildings, parks, roadways, industrial areas, etc. often in accordance with comprehensive plans; its role in the destruction of urban neighborhoods and historic commercial cores in the 1950s and 60s has led to the term’s negative connotation. (Kremer, 2025) (Moeller, 1994)