The phrase "didst one proud" suggests that someone has done something to impress others and make them proud. Antonyms for this phrase could include "disappointed," "shamed," or "displeased." If someone didn't live up to expectations or made a mistake, they may have disappointed others and failed to do them proud. Similarly, if someone acted selfishly or inappropriately, they may have brought shame upon themselves and their loved ones. Finally, if someone intentionally did something hurtful or wrong, they may have angered or displeased those around them, rather than making them proud.