The phrase "standing in need of" suggests a sense of lacking or requiring assistance. Therefore, some potential antonyms for this phrase could include "self-sufficient," "independent," "content," "fulfilled," "abundant," or "secure." These words imply a sense of completeness and satisfaction, suggesting that no additional aid is required. Alternatively, words like "overabundant," "excess," or "surplus" could be seen as antonyms, suggesting a state of having more than enough resources or assistance. Overall, the phrase "standing in need of" implies a sense of vulnerability, emphasizing the importance of empathy and assistance towards those who may be lacking in certain areas of their lives.