The antonyms of "out-distance" are words that describe falling behind or being surpassed by someone or something else. These opposite words include "fall short," "lag behind," "trail," "stay put," and "keep up with." When someone is out-distanced, they are struggling to keep pace or compete with others, and these antonyms indicate that they are not able to reach the same level of performance or success. These words are useful for contrasting with "out-distance," especially in discussions about sports, business, or personal development, where the focus may be on improvement or catching up to others who are ahead.