Feeling drained, becoming tired, getting fatigued, wearing out, losing energy, succumbing to exhaustion, feeling drained of energy, starting to tire, running out of steam, lacking enthusiasm, feeling drained of enthusiasm, feeling worn out, becoming disinterested, showing signs of weariness, becoming enervated, needing rest, feeling lethargic, losing interest, feeling exhausted, dwindling energy levels, hitting a low point, hitting a slump, feeling fatigued, and becoming jaded are all synonyms for the phrase "growing weary." All of these terms refer to a state of mind or physical condition that indicates a decrease in energy or enthusiasm.