Glandulous is a term you may not hear every day, or even at all. However, there are a variety of synonyms for this word, including glandular, secretory, and exocrine. These terms all refer to materials or structures that produce or secrete substances, usually for bodily functions. Other possible synonyms for glandulous could be mucous, serous, or oily, depending on the specific type of gland or secretion being discussed. While not a common word, glandulous and its synonyms can be useful in the field of anatomy and physiology, as well as in medical research and diagnostics.