teamed up
- partneredJoined with another
- joined forcesCombined efforts toward one aim
- collaboratedWorked jointly with others
- alliedJoined in partnership
- unitedJoined as one
combined · paired up · banded together · cooperated · merged · squad · duo · alliance · partnership · sidekick · comrades · league · coalition · together · tag team · buddy · crew · mission
collaboration vs. separation
teamed upsplit up
Sever a union
parted ways · broke up · separated · disbanded · divided
cooperation vs. opposition
teamed upsquared off
Positioned for conflict
turned against · opposed · clashed · competed · rivaled