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Belfast

American  
[bel-fast, -fahst, bel-fast, -fahst] / ˈbɛl fæst, -fɑst, bɛlˈfæst, -ˈfɑst /

noun

  1. a seaport in and capital of Northern Ireland, on the E coast.


Belfast British  
/ ˈbɛlfɑːst, bɛlˈfɑːst /

noun

  1. the capital of Northern Ireland, a port on Belfast Lough in Belfast district, Co Antrim and Co Down: became the centre of Irish Protestantism and of the linen industry in the 17th century; seat of the Northern Ireland assembly and executive. Pop: 276 459 (2001)

  2. a district of W Northern Ireland, in Co Antrim and Co Down. Pop: 271 596 (2003 est). Area: 115 sq km (44 sq miles)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Belfast Cultural  
  1. Capital, largest city, and major port of Northern Ireland.


Discover More

For centuries the city has been the site of violent conflict between Protestant and Roman Catholic residents.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Elle magazine dubbed González “Fashion’s Favorite New Artist,” while exhibitions in Rome, Paris, Belfast and Bilbao, Spain, expanded her reputation across Europe.

From Los Angeles Times • Jun. 19, 2026

Many others are putting their money back into their homes and communities, or taking to the streets to organize anti-racist counterprotests, rallying thousands of Belfast residents with them.

From Slate • Jun. 15, 2026

In Belfast itself, local communities have gathered en masse to support their immigrant neighbors, whether by hiding them from roving mobs or raising money to repair their homes and businesses.

From Slate • Jun. 15, 2026

He said he met healthcare workers at the Mater Hospital in Belfast on Friday and heard some "horrendous stories".

From BBC • Jun. 14, 2026

He was born in 1824 in Belfast, the son of a professor of mathematics at the Royal Academical Institution who soon after transferred to Glasgow.

From "A Short History of Nearly Everything" by Bill Bryson

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