blue team

noun

A group within an organization tasked with repelling the efforts of the red team to defeat their security etc.

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Meanings

nounblue team (plural blue teams)

plural blue teams

  1. A group within an organization tasked with repelling the efforts of the red team to defeat their security etc.

Origin

Blue was the color of the United States on maps during the Cold War, so "blue team" represented the defense during military simulations.

Full word history & related roots →
Cite this entry
APA

blue team. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/blue%20team

MLA

“blue team.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/blue%20team. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “blue team,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/blue%20team.

Source: blue team on Wiktionary, CC BY-SA 4.0.