"Down time" refers to periods of inactivity or relaxation that occur during a busy schedule or work routine. It is essential to take breaks to recharge and rejuvenate oneself. Synonyms for "down time" can include leisure time, free time, idle time, rest time, or relaxation time. All of these words mean a period of time during which you can do things you enjoy or rest and recharge. Other synonyms may include downtime, hiatus, break, pause, sabbatical, or time off. Using these words interchangeably can help you to avoid repeating the same phrase repeatedly and ensure your writing is varied and engaging.