The word unbuilding means to demolish or take apart structures or buildings. The antonyms for this word refer to the process of building or constructing. Some antonyms for unbuilding include building, constructing, erecting, raising, and putting up. When buildings are unconstructed, they may be replaced by new buildings, which is an example of constructing. Similarly, erecting structures or putting up new buildings can be considered opposite processes of unbuilding. The antonyms of unbuilding represent positive processes of creating and building towards the future, rather than the negative process of destruction.