Antonyms for the phrase "renews one's strength" include drained, exhausted, depleted, weakened, enervated, feeble, and lethargic. These words describe a state of physical or mental exhaustion that results in a lack of energy or motivation. When one's strength is not renewed, they may feel overwhelmed, tired, or unable to complete even simple tasks. This can lead to a decrease in productivity, morale, and overall well-being. To avoid this, it is important to take breaks, engage in self-care, and prioritize rest and recuperation. Remember, sometimes renewing your strength means taking a step back to recharge.