The word "more unfledged" means something that is even more inexperienced or immature. Antonyms for this word would include terms such as experienced, mature, developed, knowledgeable, and worldly. These words would all convey a sense of expertise, developed skills, and wisdom, rather than immaturity and inexperience. Using antonyms for "more unfledged" can help to convey the opposite sentiment, indicating that someone or something has been seasoned and is ready to take on new challenges, rather than being a novice who is just starting out. These words can be useful in a variety of contexts, including discussing job candidates, describing characters in a novel, or offering advice to someone who is just starting out in their career.