Reerecting is the act of rebuilding or reassembling something that has been taken apart or destroyed. However, there are several antonyms for this word such as dismantling, disassembling, demolishing, tearing down, disintegrating, ruining, and destroying. Dismantling refers to the process of taking something apart, while disassembling means to break down the components of an object. Demolishing is the act of completely destroying a building or structure, and tearing down means to forcefully remove something. Disintegrating refers to the process of breaking an object down into its individual parts, while ruining and destroying both refer to damaging or destroying something irreparably.