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Synonyms

run into the ground

Idioms  
  1. Pursue a topic until it has been thoroughly discussed or exhausted, as in They've run the abortion issue into the ground .

  2. Ruin or destroy, as in During her brief time as chief executive Marjorie just about ran the company into the ground . Both usages allude to pushing something so far that it is, in effect, buried. [Early 1800s]