The antonyms for the term "most insalutary" are mainly related to positive and beneficial qualities. These include words such as healthy, wholesome, advantageous, profitable, and beneficial. Unlike insalutary which refers to something harmful or damaging, these antonyms have a positive connotation and suggest something helpful and advantageous towards one's well-being. Other antonyms for insalutary may include words such as salutary, beneficial, favourable, helpful, advantageous, and profitable. Hence, the antonyms for "most insalutary" generally represent a positive, healthy, and beneficial experience. It is important to understand the negative and positive connotations of words, especially when it applies to one's health and well-being.