The antonyms for the phrase "grows weary" are "energized", "invigorated", and "rejuvenated". When someone feels energized, they are physically and mentally pumped up, ready to tackle whatever might come their way. Similarly, when someone is invigorated, they possess renewed physical and mental strength, heightened awareness, and an eagerness to take on new challenges. Lastly, when someone is rejuvenated, they feel refreshed and renewed, as if they have been given a second wind. The antonyms for "grows weary" denote characteristics that are fueled by a positive, proactive mindset, whereas "growing weary" indicates a state of exhaustion and depleted energy.