There are several synonyms for the term "unattached female", which refers to a single woman who is not currently in a committed relationship. One common term is "single", which is a simple and straightforward way to describe someone who is not involved romantically with anyone. Another popular synonym is "unattached", which conveys the same meaning with a slightly different emphasis. Other words that can be used to describe an unattached female include "uncommitted", "uninvolved", "unattached", "available", and "solitary". Each of these synonyms has a slightly different connotation, so it is important to choose the word that best fits the context of the sentence.