"Duelled" is a verb that means to engage in a formal combat between two people, typically using guns or swords. Antonyms for "duelled" would be words that describe the opposite of combat such as peaceful or cooperative.
Some antonyms for "duelled" could include words like reconcile, collaborate, negotiate, unify, and cooperate. These words give a sense of working together, rather than fighting or battling against each other.
Using antonyms for "duelled" can help to shift the focus from conflict to collaboration and cooperation, highlighting the importance of finding common ground and working together to achieve common goals. By emphasizing these positive qualities, we can move towards creating a more peaceful world, one that fosters understanding and respect for one another.