The phrase "feed the fire" means to add fuel to a fire, to stoke it and keep it burning. Antonyms for "feed the fire" may include extinguish, douse, snuff out, or put out, which represent actions that would quell a fire rather than add to it. Other antonyms may include stop, prevent, or avoid, which suggest actions that would keep a fire from ever starting in the first place. In more figurative contexts, antonyms for "feed the fire" might include ignore, downplay, or de-escalate, which suggest ways of minimizing conflict rather than fanning its flames.