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Castilian

American  
[ka-stil-yuhn] / kæˈstɪl yən /

noun

  1. the dialect of Spanish spoken in Castile.

  2. the official standard form of the Spanish language as spoken in Spain, based on this dialect.

  3. a native or inhabitant of Castile.


adjective

  1. of or relating to Castile.

Castilian British  
/ kæˈstɪljən /

noun

  1. the Spanish dialect of Castile; the standard form of European Spanish

  2. a native or inhabitant of Castile

"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

adjective

  1. denoting, relating to, or characteristic of Castile, its inhabitants, or the standard form of European Spanish

"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 Castilian

First recorded in 1520–30; Castile + -ian

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.

Roast pork belly redolent and tender as Castilian suckling pig.

From Salon • Jul. 12, 2025

“No one doubts that the language is called Spanish or Castilian. Our constitution says Castilian, and in the Americas they say Castilian or Spanish,” he added.

From Seattle Times • Jun. 26, 2023

The locals, who may not have been literate, likely told their responses to the surveyors, who wrote them down in old Castilian.

From Science Magazine • Aug. 4, 2022

If we are to believe Mr. Hemingway, high adventure and a lust for blood fuse in the Castilian bullring.

From New York Times • Oct. 21, 2021

In heavily accented, hard to understand Castilian Spanish he described the necessity of eating portions of each of the foods on his chart every day.

From "When I Was Puerto Rican" by Esmeralda Santiago