There are various synonyms that can be used to refer to one's faithful partner or husband. Some of the words that could be used include "beloved," "devoted," "dedicated," "loyal," "committed," "loving," "adoring," "affectionate," "devoted," "cherished," "doting," and "caring." These words help to convey a sense of deep and abiding love and commitment between partners. Each of these synonyms carries a slightly different connotation, so choosing the right one will depend on the context and the emotional tone you want to convey. When referring to your faithful hubby, the right synonym can help convey the depth of love and admiration you have for him.