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Synonyms

castle

1 American  
[kas-uhl, kah-suhl] / ˈkæs əl, ˈkɑ səl /

noun

  1. a fortified, usually walled residence, as of a prince or noble in feudal times.

    Synonyms:
    citadel, fortress
  2. the chief and strongest part of the fortifications of a medieval city.

  3. a strongly fortified, permanently garrisoned stronghold.

  4. a large and stately residence, especially one, with high walls and towers, that imitates the form of a medieval castle.

    Synonyms:
    château, palace
  5. any place providing security and privacy.

    It may be small, but my home is my castle.

  6. Chess. the rook.


verb (used with object)

castled, castling
  1. to place or enclose in or as in a castle.

  2. Chess. to move (the king) in castling.

verb (used without object)

Chess.
castled, castling
  1. to move the king two squares horizontally and bring the appropriate rook to the square the king has passed over.

  2. (of the king) to be moved in this manner.

Castle 2 American  
[kas-uhl, kah-suhl] / ˈkæs əl, ˈkɑ səl /

noun

  1. Irene (Foote), 1893–1969, born in the U.S., and her husband and partner Vernon (Vernon Castle Blythe ), 1887–1918, born in England, U.S. ballroom dancers.


castle British  
/ ˈkɑːsəl /

noun

  1. a fortified building or set of buildings, usually permanently garrisoned, as in medieval Europe

  2. any fortified place or structure

  3. a large magnificent house, esp when the present or former home of a nobleman or prince

  4. the citadel and strongest part of the fortifications of a medieval town

  5. chess another name for rook 2

"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

verb

  1. chess to move (the king) two squares laterally on the first rank and place the nearest rook on the square passed over by the king, either towards the king's side ( castling short ) or the queen's side ( castling long )

"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

Other Word Forms

  • castlelike adjective
  • uncastled adjective

Etymology

Origin of castle

before 1000; Middle English, Old English castel < Latin castellum castellum

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.

The image of a man who lost all sense of ceremony in a show that is almost completely about leaning into the avant garde and fantastical pomp of a Scottish castle.

From Salon

It comes with more than just a castle, however, and even boasts its own narrow-gauge railway.

From BBC

The characters could be at school, or in a medieval castle, complete in period costumes.

From BBC

Think of the glorious Italian castle that several English women rent in “The Enchanted April.”

From The Wall Street Journal

“It pleases me that your daughter should accompany me to my castle,” said the king.

From Literature