go underground

phrase

: to start working in secret
The political party went underground after the new government took power.

Examples of go underground in a Sentence

Recent Examples on the Web
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The hacks go underground because honesty about AI is unrewarded at every level. Mark Murphy, Forbes.com, 8 July 2026

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Cite this Entry

“Go underground.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/go%20underground. Accessed 16 Jul. 2026.

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