The words that are considered as antonyms for "be league" are words like disassociate, disjoin, dissociate, and untie, among others. These words signify a breaking away from a group or partnership, whereas "be league" suggests joining together for a common purpose. When someone "be leagues" with others, they become part of a group, organization, or team, and work in unison to achieve a specific goal. In contrast, when someone disassociates or disjoins, they are separating themselves from a collective, and might pursue their aims individually. Despite having opposite meanings, these words play an essential role in expressing different kinds of relationships and connections.