Antonyms for the word "re-erected" are disassembled, destroyed, demolished, dismantled, knocked down, pulled apart, and taken down. These words have the opposite meaning of the word "re-erected," which means to build something again after it has been taken down or destroyed. The process of disassembling, destroying, or dismantling a structure involves the breaking down of individual components or parts to render the whole structure unusable. This is in contrast to "re-erecting" a structure, which involves the use of existing parts or adding new ones to rebuild it. The selection of antonyms for "re-erected" depends on the context and the situation where a particular word is needed.