The word "rooky" is typically used to describe someone who is inexperienced or new to a particular field. However, there are a variety of synonyms that can be used to convey a similar meaning. For example, one might use the terms novice, beginner, or fledgling. Alternatively, terms such as greenhorn or tenderfoot can convey a similar sense of inexperience while also adding a bit of color or humor to the description. It is important to choose the appropriate synonym depending on the context in which it is being used, as certain terms may be more appropriate or effective in different situations.