"Re-constitutes" refers to the process of reorganizing or rebuilding something. While it is not easy to find exact antonyms for this word, some related words that convey an opposite meaning might include destroy, dismantle, demolish, disintegrate, or annul. These words imply the opposite of putting something back together and instead suggest breaking it apart or rendering it unusable. Other antonyms could be dissolve, disperse, scatter, or dissipate, which indicate the process of breaking up or scattering something. Overall, finding antonyms for a word as specific as "re-constitutes" can be challenging, but focusing on words that convey an opposite sense or outcome can be helpful.