Insalutary is a word that is used to describe something that is harmful or damaging to one's health or well-being. There are several synonyms for the word insalutary that can be used to enhance your vocabulary and communication skills. Some of the synonyms include unwholesome, injurious, deleterious, toxic, detrimental, and adverse. Each of these words has a similar meaning to insalutary and can be used interchangeably to convey the same message. By utilizing these synonyms, you can add variety and depth to your writing and improve your communication skills.