to build up
transitive verbup·built , up·build·ing, up·builds
To build up; increase or enlarge: sand dunes that were upbuilt by the wind.
(third-person singular simple present upbuilds, present participle upbuilding, simple past and past participle upbuilt or upbuilded)
- To build up (literally).
- To build up; to develop (figuratively).
up- +"Ž build