The word "re-forming" refers to the act of restructuring, modifying, or transforming something that already exists. It has various antonyms based on its context, including destroying, ruining, obliterating, weakening, dismantling, breaking, disassembling, unwinding, and undoing. Destroying antonym means spoiling or annihilating the original form, whereas obliterating implies wiping out entirely. Weakening antonym means to lessen or reduce the strength of something. Disassembling antonym refers to taking something apart while unwinding antonym means to undo something that was previously done. Therefore, it is essential to understand the different shades of meaning of the antonyms for "re-forming" to understand the context in which they are used.