Glanderous is a word that refers to something that is contagious or infectious. It can also be used to describe something that is harmful or dangerous. There are several synonyms for the word glanderous that can be used interchangeably depending on the context of the sentence. Some of these synonyms include contagious, infectious, virulent, harmful, dangerous, perilous, and noxious. Each of these words has a slightly different connotation, so it's important to choose the word that best fits the meaning you want to convey. Regardless of which synonym you use, the word glanderous and its synonyms all refer to something that poses a threat to health or safety.