Dim, dull, listless, inactive, lethargic are some of the antonyms for the word "most bright-eyed". The term bright-eyed usually implies someone who is enthusiastic, full of energy, and alert. Therefore, the aforementioned antonyms signify opposites of these traits. For instance, "inactive" would describe a person who is not lively and lacks energy, while "dull" suggests boring and uninspired. Likewise, "listless" implies a lack of enthusiasm or interest. Thus, anyone who is not "most bright-eyed" may appear tired or disinterested. These antonyms highlight the importance of being energetic and displaying a positive attitude towards life.