The phrase "held one's end" means to fulfill one's responsibilities or obligations in a given task or situation. Antonyms for this phrase could include neglecting one's duties, giving up or quitting, shirking one's responsibilities, or failing to contribute to a team effort. These actions are often seen as irresponsible or unprofessional, and can lead to negative consequences in both personal and professional relationships. When someone is praised for holding their end, it implies that they are trustworthy, dependable, and committed. Therefore, the importance of holding one's end cannot be overstated. Anyone who wants to attain success, build strong relationships, and maintain professional integrity needs to learn this crucial skill.