When it comes to synonyms for the word "babyishly", there are a number of options to choose from. Some potential alternatives might include words like "infantile", "childish", or "immature". Additionally, one could use phrases or expressions such as "acting like a baby", "throwing a tantrum", or "being overly reliant on others". Whatever the case may be, there are plenty of ways to describe someone who is behaving in a way that is reminiscent of a young child or infant. By selecting the right words to convey this idea, you can effectively communicate your message to others in a clear and concise way.