the Fourth Estate
US /ðə ˌfɔːrθ ɪˈsteɪt/
UK /ðə ˌfɔːrθ ɪˈsteɪt/

1.
the press; journalism in general
:
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The Fourth Estate plays a crucial role in holding power accountable.
•
Many believe that a free and independent Fourth Estate is essential for democracy.