"No strings attached" is a phrase that means something doesn't come with any conditions or requirements. Some synonyms for this phrase include "unconditional," "unrestricted," "unattached," "uncomplicated," and "unfettered." "Unconditional" implies something without limitations or constraints, while "unrestricted" suggests something that is completely open and free. "Unattached" simply means that something is not connected or tied to anything, while "uncomplicated" implies a lack of complexity. Finally, "unfettered" suggests something that is completely unrestrained and free to do as it pleases. All of these synonyms capture the essence of something that comes without any obligations or commitments.