Castilian

noun

Cas·​til·​ian ka-ˈstil-yən How to pronounce Castilian (audio)
1
: a native or inhabitant of Castile
broadly : spaniard
2
a
: the dialect of Castile
b
: the official and literary language of Spain based on this dialect
Castilian adjective

Word History

First Known Use

1566, in the meaning defined at sense 1

Time Traveler
The first known use of Castilian was in 1566

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Cite this Entry

“Castilian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Castilian. Accessed 23 Apr. 2026.

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