Antonyms for the word "more invigorated" would be words that mean the opposite of feeling refreshed and energized. These words could include: drained, fatigued, exhausted, lethargic, sluggish, tired, weary, and worn out. If someone feels less invigorated, they may also describe themselves as feeling depleted or deflated. These antonyms are often used to describe a lack of energy or motivation, and can be caused by physical or emotional exhaustion. It's important to recognize when we're feeling less invigorated and take steps to recharge and replenish our energy, such as getting enough sleep, eating healthy foods, and engaging in physical activity.