Lepidopterous is a scientific term used to describe an order of insects that includes butterflies and moths. However, if you are looking for other words to express the same idea, you might consider using synonyms such as lepidopteran, lepidote, or leprose. "Lepidote" refers to the scales that cover the wings of these insects, whereas "leprose" describes something that is scaly or flaky in appearance. "Lepidopteran" is a broader term that encompasses all members of the Lepidoptera order, which includes over 180,000 species. Whether you are a scientist or an enthusiast of these beautiful insects, having a variety of synonyms at your disposal can make your writing more varied and interesting.