disunite

/dɪsˈjuːnaɪt/
verb
  1. To cause people or groups to stop working together or to become divided, often by creating disagreement or conflict.
    • The argument over money began to disunite the members of the band.
    • The coach warned that gossip would disunite the team and hurt their performance.
    • Politicians sometimes use harsh language that can disunite a community.
  2. To separate or break apart something that was joined or united.
    • A strong earthquake can disunite the layers of rock deep underground.
    • Over time, rust and weather can disunite the parts of an old metal fence.
    • The chemist tried to disunite the two bonded elements using heat.
Antonyms
What does "disunite" mean? | whatsthatwordmean | whatsthatwordmean