teamed
v.v. to join together with another person or group to do a job or reach a goal. You use this when you want to show that working together is better than working alone.
v. to join with another person or group in order to achieve a common goal or complete a task. Often used in the past tense with the preposition 'up'.
The two companies teamed up to build a new park.
Local businesses teamed up with the school board to provide free lunches for students during the summer break.
Having recognized their complementary skill sets, the two researchers teamed up to publish a comprehensive study that neither could have completed independently within the original timeframe.
Often functions as an intransitive phrasal verb when followed by 'up'; takes the preposition 'with' to indicate the partner.
They teamed with each otherThey teamed up with each otherIn modern usage, the verb almost always requires the particle 'up' to sound natural when describing a partnership.