upbuild verb2 •To build up (literally).[…] under all circumstances, whether the surface be uppushed by horizontal mashing of sediments or upbuilt by the outsqueezing of melted matter, the increase of height would be the same […] — 1876 •To build up; to develop (figuratively).It is certain that the laying traits can be up-built by breeding from the heavy layers, just as the milk producing qualities have been built up by breeding from great milk producers; […] — 1908 formsupbuilded · upbuilt · upbuilding · upbuilds