Keystone State

proper noun

Official nickname for Pennsylvania: a state of the United States.

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Meanings

proper nounthe Keystone State
  1. Official nickname for Pennsylvania: a state of the United States.

Origin

An allusion to its central position connecting the original northern and southern thirteen states of the United States, at the time of formation of the Constitution.

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Cite this entry
APA

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

MLA

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

Chicago

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

Source: Keystone State on Wiktionary, CC BY-SA 4.0.