"Buy farm" means to die, particularly in a violent manner. In contrast, the antonyms for "buy farm" include being kept alive through protection or preservation, staying safe or avoiding danger, and continuing to live a long and healthy life. Some words that represent antonyms for "buy farm" include protection, survival, longevity, security, preservation, and well-being. Overall, antonyms for "buy farm" refer to the various ways in which someone can avoid death or injury, either through their own actions or through the help of others.