half-build
verbUK /ˌhɑːfˈbɪld/
US /ˌhæfˈbɪld/
To build only part of something and not finish it.
They half-built the treehouse before it started to rain.
RELATED WORDS
OTHER MEANINGS
2. To make something in a quick or careless way.
He half-built the model car and it fell apart.
3. A structure that is only partly finished.
The half-build stood empty at the end of the street.
4. To prepare something only in part.
She half-built her plan before asking for help.