Working overtime refers to working beyond the normal work hours or beyond the agreed upon work schedule. Some synonyms for working overtime include putting in extra hours, working extra, working beyond regular hours, working beyond the clock, working beyond the call of duty, working beyond the norm, working beyond the usual, working late, working till late, and staying back after hours. Working overtime may be required due to an increase in workload or a tight deadline, or it may be a personal choice to make extra money. However, it is important to balance working overtime with rest and leisure time to avoid burnout and maintain overall health and wellbeing.