To fall apart, break up into parts.
To cause to break up into infinitesimal parts through the use of a disintegrator.
To undo the integrity of, break into parts.
To lose strength and become weak; to be in a state of weakness or sickness.
To pine away in longing for something; to have low spirits, especially from lovesickness.
To be neglected; to make little progress, be unsuccessful.
To live in miserable or disheartening conditions.