Pre-aching is a word that describes the feeling of discomfort or pain that occurs before a full-blown injury or illness. The antonyms for pre-aching would be words that describe a lack of discomfort or pain. These antonyms could include words like comfortable, painless, well, healthy, and energetic. When we feel comfortable in our bodies, we are free from any pre-aching feelings. Being painless and feeling well means that we are not experiencing any discomfort or symptoms of an impending injury. A healthy body is one that is free from any pre-aching signs, and an energetic body means that we are not slowed down by any discomfort or pain.