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Cardiff

American  
[kahr-dif] / ˈkɑr dɪf /

noun

  1. Official Name City and County of Cardiff.  the capital city of Wales, located on the southeastern coast.


Cardiff British  
/ ˈkɑːdɪf /

noun

  1. the capital of Wales, situated in the southeast, in Cardiff county borough: formerly an important port; seat of the Welsh assembly (1999); university (1883). Pop: 292 150 (2001)

  2. a county borough in SE Wales, created in 1996 from part of South Glamorgan. Pop: 315 100 (2003 est). Area: 139 sq km (54 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

Etymology

Origin of Cardiff

From Welsh Cardyf “Fort of the (River) Taff,” from Middle Welsh Caerdyf

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.

Daley, who has no fixed address, admitted the thefts and was sentenced at Cardiff Crown Court.

From BBC • May 11, 2026

Plaid, with 43 seats, and Reform, with 34, are now the only big parties in Cardiff Bay.

From BBC • May 10, 2026

Reform Blaenau Gwent Caerffili Rhymni MS Llŷr Powell, runner-up to Plaid Cymru in last October's Caerphilly by-election, said his party intended to "add a higher level of scrutiny" to Cardiff Bay proceedings.

From BBC • May 10, 2026

"What surprised us most was how clearly the high-mass black holes stand out as a separate population," recalls co-author Dr. Isobel Romero-Shaw, Ernest Rutherford Fellow at Cardiff University.

From Science Daily • May 8, 2026

So in 1918, when I was two, we all moved into an imposing country mansion beside the village of Radyr, about eight miles west of Cardiff.

From "Boy: Tales of a Childhood" by Roald Dahl