Celtic

American  

[kel-tik, sel-] / ˈkɛl tɪk, ˈsɛl- /

Also Keltic

noun

1. a branch of the Indo-European family of languages, including especially Irish, Scottish Gaelic, Welsh, and Breton, which survive now in Ireland, the Scottish Highlands, Wales, and Brittany. Celt, Celt.

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adjective

1. of the Celts or their languages.

Celtic British  

/ ˈsɛl-, ˈsɛl-, ˈkɛltɪk, ˈkɛltɪˌsɪzəm /

noun

1. a branch of the Indo-European family of languages that includes Gaelic, Welsh, and Breton, still spoken in parts of Scotland, Ireland, Wales, and Brittany. Modern Celtic is divided into the Brythonic (southern) and Goidelic (northern) groups

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adjective

1. of, relating to, or characteristic of the Celts or the Celtic languages

Other Word Forms

• Celtically adverb
• Celticism noun
• Celticist noun
• non-Celtic adjective
• pre-Celtic adjective

Etymology

Origin of Celtic

First recorded in 1600–10; from Latin Celticus, equivalent to Celt(ae) “the Celts” + -icus adjective suffix; see origin at Celt, -ic ( def. 1 )

Compare meaning

How does celtic compare to similar and commonly confused words? Explore the most common comparisons:

• Gaelic vs. Celtic

Example Sentences

As they prepare to meet at Hampden, Lennon, who had two spells in charge at Celtic, described McGlynn as "one of the best coaches in the game here".

From BBC • Apr. 17, 2026

Celtic have had three different managers in this campaign, with Martin O'Neill's second interim period running until the end of the season.

From BBC • Apr. 17, 2026

Neil Lennon reckons John McGlynn should be "in the conversation" to become the next Celtic manager as the Dunfermline Athletic boss aims to get the better of his Falkirk counterpart in Saturday's Scottish Cup semi-final.

From BBC • Apr. 17, 2026

“I know you know how to line dance” she said, drawing a line between Irish tradition and American country music culture, the latter shaped in part by Celtic immigrant music.

From Los Angeles Times • Apr. 15, 2026

I reach up and touch the small pewter claddagh Celtic cross I have worn since I was six, tracking the grooved outline of the heart with my finger.

From "Orphan Train" by Christina Baker Kline