hold together phrasal verb ( see also ↑ hold )
1 . if a group or an organization holds together, or if something holds it together, it stays strong and does not separate into different parts or groups:
Against all expectations, the coalition held together well.
hold something ↔ together
In those days the Church held the community together.
2 . to remain whole and good enough to use, or to make something do this:
Incredibly, the raft held together till we reached the opposite shore.
hold something ↔ together
I wondered how the structure was held together.