disintegrate
🇺🇸
/dɪsˈɪntɪɡreɪt/
🇬🇧
/dɪsˈɪntɪɡreɪt/
to break apart into small pieces and be destroyed
The old building began to disintegrate after years of neglect.
to become much weaker or less united and slowly fall apart
The team started to disintegrate when key players left.