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• Sinn Fein
  Sinn Fein

  noun

  a political organization in Ireland, founded about 1905, advocating the complete political separation from Great Britain of a unified Ireland.
• Sinn Féin
  Sinn Féin

  noun

  an Irish republican political movement founded about 1905 and linked to the revolutionary Irish Republican Army: divided into a Provisional and an Official movement since a similar split in the IRA in late 1969

Sinn Fein

American  

[shin feyn] / ˈʃɪn ˈfeɪn /

noun

1. a political organization in Ireland, founded about 1905, advocating the complete political separation from Great Britain of a unified Ireland.

2. a member of this organization.

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Sinn Féin British  

/ ˈʃɪn ˈfeːn /

noun

1. an Irish republican political movement founded about 1905 and linked to the revolutionary Irish Republican Army: divided into a Provisional and an Official movement since a similar split in the IRA in late 1969

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Sinn Fein Cultural  

1. An Irish political party (in Gaelic it means “Ourselves Alone”) that has long combatted Great Britain's influence in Ireland and sought the unification of Northern Ireland with the Irish republic in the south; generally considered the political portion of the Irish Republican Army. One wing of it has engaged in terrorism.

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Other Word Forms

• Sinn Feiner
  noun
• Sinn Feinism
  noun
• Sinn Féiner
  noun
• Sinn Féinism
  noun

Etymology

Origin of Sinn Fein

From Irish sinn f éin “we ourselves”

Example Sentences

See Examples For:

Sinn Fein Sinn Féin

Former Sinn Fein president Gerry Adams, who helped broker the historic peace agreement, was in the gallery at the assembly to see O’Neill’s nomination.

From Seattle Times ● Feb. 3, 2024

Now, for the first time, a Sinn Fein politician holds Northern Ireland’s top political office, a landmark moment for the party and for the broader region as a power-sharing government is restored.

From New York Times ● Feb. 3, 2024

The attack was condemned across all political parties, including the main opposition Sinn Fein.

From Reuters ● Nov. 24, 2023

Sinn Fein Councillor Ruairi McHugh, who is a friend of the victim's family, said it was "devastating news".

From BBC ● Sep. 4, 2023

There was a certain piquancy about a struggle of this kind between a prominent Orangeman like James McNiece, and Dan Gallaher, whom everyone knew to be the leader of the Sinn Fein party.

From Our Casualty, and Other Stories 1918 by Birmingham, George A.

Sinn Féin MP Paul Maskey hailed the meeting as "a positive story" from the area.

From BBC ● Jul. 22, 2026

Sinn Féin has said it intends to submit questions to the assembly on Monday, in relation to the claims aired on the BBC.

From BBC ● Jun. 29, 2026

Sinn Féin MLA Órlaithí Flynn said she was "shocked and saddened"

From BBC ● Jun. 28, 2026

A Sinn Féin spokesperson said the party "does not hold any information in relation to MLA modes of transport".

From BBC ● Jun. 3, 2026

Half a century ago a great voluntary effort, which may well be called Sinn Féin, was made in the foundation of the Catholic University in Dublin.

From Ireland and the Home Rule Movement by McDonnell, Michael F. J.