Winding down is a phrase commonly used to refer to the process of relaxing or slowing down after a period of hard work or intense activity. There are several synonyms that can be used to convey the same meaning as this phrase. One of the common synonyms is "unwinding," which implies the process of letting go of tension and stress. "Relaxing" is another synonym that suggests a reduction in exertion or activity. Other synonyms for "winding down" include "slowing down," "calming down," "easing off," "decompressing," and "cooling off." Overall, these words express the same idea of taking a break and relaxing after a long period of activity.