Defense department
Defense department noun - The federal department responsible for safeguarding national security of the United States; created in 1947.
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Synonyms for Defense department
Pentagon and defense department are semantically related in department of defense topic. In some cases you can use "Pentagon" instead a noun phrase "Defense department".
Pentagon
Pentagon noun - A government building with five sides that serves as the headquarters of the United States Department of Defense.
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Synonyms for Pentagon
Defense department and pentagon are semantically related in department of defense topic. You can use "Defense department" instead a noun "Pentagon".
Mutual synonyms
Both terms in one sentence
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When the Defense Department makes an announcement, newscasters will say "The Pentagon announced today...".
Source: Useful Notes / The Pentagon
Cite this Source
Pentagon and Defense department. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/defense_department/pentagon
Defense department & Pentagon. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/defense_department/pentagon>.
Pentagon or Defense department. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/defense_department/pentagon.
Google Ngram Viewer shows how "defense department" and "pentagon" have occurred on timeline