There are various synonyms for the word "making inactive," including "disabling," "deactivating," "neutralizing," "quashing," "stifling," "suppressing," "subduing," "silencing," "abolishing," "annihilating," "eradicating," "liquidating," "nullifying," "obliterating," "quelling," "repressing," "smothering," "squelching," and "terminating." These words are commonly used to describe the act of stopping something or someone from functioning or operating. Whether in a technical or non-technical context, each of these words conveys the idea of preventing or ceasing an activity or process. Synonyms for "making inactive" can be helpful when seeking to communicate a particular idea more precisely or emphatically.