The phrase "getting in there" generally means to make progress, succeed or achieve something. Antonyms for this phrase would, therefore, include words that mean the opposite of success, such as failure, defeat, stagnation, or regression. If someone is not "getting in there," they may be experiencing setbacks, obstacles, or delays. They may be unable to make progress or accomplish their goals. Some relevant words that could be used as antonyms for "getting in there" might include falling behind, losing ground, declining, or losing traction. These words suggest a lack of progress, diminished prospects, or an inability to achieve one's objectives.