The term "most dog-tired" refers to a state of extreme exhaustion, fatigue, and weariness. Antonyms for this phrase would be words that convey energy, wakefulness, and alertness. Some possible antonyms for "most dog-tired" include refreshed, stimulated, rejuvenated, energized, invigorated, and revitalized. Other antonyms could be words like renewed, awake, enlivened, lively, animated, and vigorous. These terms suggest that the individual has rested well, had some exercise, or simply found a way to recharge and feel better. Whatever the method, the antonyms for "most dog-tired" provide a hopeful contrast to the draining state of complete exhaustion.