The term "fast living" generally connotes a lifestyle centered on hustle, bustle, and frenetic pace. Antonyms for fast living could include words/phrases like slow-paced living, tranquil living, leisurely living, calm living, unhurried living, peaceful living, relaxed living, and so on. These antonyms suggest an existence marked by a sense of ease and a pace that's more gentle, affording individuals space to enjoy life's simpler moments. On the whole, an antonym for fast living could point to a more fulfilling lifestyle where people prioritize their mental and physical well-being over worldly distractions, finding comfort in the simple things like spending quality time with loved ones, reading a good book, or enjoying nature.