1. to take apart or demolish something that has been built
Usage: formal
2. to reverse or undo the process of building or creating
Usage: formal

Examples

• The city decided to unbuild the old bridge and replace it with a modern one.
• They had to unbuild the entire wall because of structural problems.
• The company plans to unbuild its outdated manufacturing process.
• Workers began to unbuild the temporary stage after the concert.
• It’s easier to build than to unbuild what has been established.
• The architect proposed to unbuild the addition and restore the original design.