Primigravid is a term used to describe a woman who is pregnant for the first time. However, there are several other synonyms that one can use instead of primigravid. Some of these synonyms include nulliparous - which means a woman who has never given birth, uniparous - a woman who has given birth once or monoparous - which means a woman who has given birth once. Other synonyms for primigravid include primipara, primiparous, or primiparity. All these synonyms effectively convey the meaning of a woman who is pregnant for the first time. Using these words not only adds variety to one's language, but it also helps to avoid repetition.