un- + build
unbuild (third-person singular simple present unbuilds, present participle unbuilding, simple past and past participle unbuilt)
- (transitive) To dismantle or deconstruct (something previously built).
2007 July 2, Richard Eder, “When People, Culture and Even Time Are Suspect”, in New York Times:
- His building and unbuilding, both, are a slog.