noun
a language or jargon specific to the Pentagon or the U.S. Department of Defense
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The linguist was able to decipher the complex language known as Pentagonese.
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I have no idea what they're saying in this Pentagonese briefing.
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Trying to understand Pentagonese is like trying to crack a secret code.
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Her explanation was so convoluted, it felt like she was speaking in Pentagonese.