The antonyms for "re-establishing" are words that imply the opposite of re-establishing something. For example, words like "dismantling," "destroying," "abolishing," "annihilating," and "eradicating" can all be considered antonyms for re-establishing. These words denote actions of undoing, ending, or removing something that was previously created, built, or established. They carry a sense of disruption, discontinuation, or termination of a state of affairs. While re-establishing seeks to bring back stability, order, or continuity, antonyms negate these values and suggest disorder, chaos, or disarray. In summary, the antonyms of re-establishing are words that portray the opposite of restoring something to its former state or position.