Avitaminotic is a word that refers to a deficiency of vitamins in the body. Some synonyms for avitaminotic should be related to this deficit. Such words may include undernourished, malnourished, and starved. These words describe the state of lacking essential nutrients required for healthy living. Additionally, the word skullcap can be used as an alternative synonym for avitaminotic. It refers to a condition in which the skull bones become thin due to lack of proper nourishment during the early years of life. Other related synonyms for avitaminotic can include deficient, deprived, and wanting, all of which indicate a scarcity of essential vitamins and minerals in the body.