Unmoors refers to the act of releasing a vessel or ship from its anchorage. Synonyms for unmoors vary and can depend on the context in which the word is being used. Some common synonyms for unmoors include dislodges, unties, casts off, frees, and unfastens. These words all suggest the idea of releasing something from a fixed point or location. Other synonyms for unmoors might include unclenches, unfastens, unlocks, and unhooks. These words might be used in a context where something is being released or unlocked, rather than physically unmoored. Overall, synonyms for unmoors vary and choosing the right word will depend on the context in which it is being used.