Neoteny refers to the retention of juvenile traits into adulthood. Some synonyms for neotenous include childish, juvenile, infantile, youthful, and immature. These adjectives describe features that are typically associated with young animals or humans. Neoteny can manifest in physical characteristics such as large eyes, small noses, chubby cheeks, and smooth skin. It can also affect behavioral traits such as playfulness, curiosity, and dependence on others. Synonyms for neotenous are often used to describe animals or people who possess these traits. By understanding the concept of neoteny and its synonyms, we can better appreciate the beauty and uniqueness of youthful features that persist into adulthood.