When we have "time spare," it means we have some extra time available that we can use for something else. Some synonyms for this phrase include "free time," "leisure time," "spare time," "idle time," and "unoccupied time." These words all convey the idea of time that is not already allocated to other tasks or responsibilities. "Free time" is often used to refer to blocks of time that we can use for leisure activities or pursuing personal interests. "Spare time" and "idle time" suggest a lack of things to do but can also imply a sense of laziness or boredom. Regardless of the word chosen, having "time spare" is always a precious commodity in our busy lives.