The word loose is often used to describe something that is not tightly bound or restrained. However, there are several synonyms that can be used in place of loose, depending on the context. One such synonym is relaxed, which implies a state of calmness or looseness. Another synonym is free, suggesting something that is not confined or restricted. Flexible is another word that can be used to convey the idea of looseness, mainly in reference to something that can bend or move easily. Finally, slack is a term used in various ways, but most commonly to describe something that is not tight or taut.