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king of the castle

British  

noun

  1. a children's game in which each child attempts to stand alone on a mound, sandcastle, etc, by pushing other children off it

  2. informal a person who is in a commanding or superior position

"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

Example Sentences

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See Examples For:

The final of the celebrity edition of the show was the UK's most-watched TV event of 2025, with about 15 million people tuning in to see traitorous comic Alan Carr become king of the castle.

From BBC ● Jan. 26, 2026

Described by a former colleague as "king of the castle" in the transplant unit, Prof Schueler had a decade-long relationship with the manufacturer of the Medtronic device, public records show.

From BBC ● Nov. 12, 2025

Gary King is a fascinating mess, the guy "who was the king of the castle when he was 18 and now refuses to leave".

From The Guardian ● Jul. 13, 2013

On fatherhood: "I figured I'll be the king of the castle: I'll make people, and rule them."

From Seattle Times ● Jun. 13, 2011

His pride in his work spilled over into our home, where he was clearly the king of the castle, even if the castle was just a modest apartment.

From "The Boy on the Wooden Box" by Leon Leyson

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