Bleary-eyed is often used to describe someone who looks tired, groggy, or unfocused. Some antonyms of bleary-eyed might include alert, awake, focused, sharp, and clear-eyed. These words suggest a state of heightened awareness, mental clarity, and energy that is the opposite of feeling drowsy or lethargic. Other antonyms for bleary-eyed could be spry, energetic, well-rested, lively, or vibrant. These words convey a sense of liveliness and vitality that is the opposite of feeling depleted or exhausted. Using these antonyms can help to convey a positive and energetic tone in speech or writing.