fact-check
US /ˈfækt.tʃek/
UK /ˈfækt.tʃek/

1.
investigate (something) to verify the facts
:
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Journalists must always fact-check their sources before publishing.
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It's important to fact-check information found on social media.
1.
the process of investigating information to verify its accuracy
:
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The article underwent a rigorous fact-check before publication.
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Good journalism relies on thorough fact-check.