Dictionary.com
Thesaurus.com

Celtic

American  
[kel-tik, sel-] / ˈkɛl tɪk, ˈsɛl- /
Also Keltic

noun

Celtics plural
  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.


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

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

"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

Derived Forms

Inflected Forms

Nouns

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:

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.

See Examples For:

Maeda scored 79 goals in 212 appearances at Celtic, where he won five league titles, three Scottish Cups and two League cups.

From BBC Jul. 25, 2026

He scored the unforgettable second goal in the final-day decider at home to Hearts when, with the score level at 1-1, Maeda fired beyond Alexander Schwolow on 87 minutes to send Celtic Park wild.

From BBC Jul. 25, 2026

When Maeda joined Celtic as a relatively unknown J-League attacker in 2022, no one could have imagined the kind of success he would go on to have at the club.

From BBC Jul. 25, 2026

Rangers intend to contest a four-match touchline ban given to manager Derek McInnes for describing as "disgusting" the decision to award Celtic a late penalty at Motherwell in May.

From BBC Jul. 22, 2026

“He and Magic saved the NBA. He could shoot from everywhere. A great trash talker too. But the best Celtic of all time has to be Bill Russell.”

From "Here to Stay" by Sara Farizan

The VVIPs are a level above, ensconced in private suites: former Boston Celtics forward Jaylen Brown, Shakira, plus Infantino.

From The Wall Street Journal Jul. 18, 2026

Elsewhere, the Philadelphia 76ers confirmed the acquisition of Jaylen Brown from Eastern Conference rivals the Boston Celtics, as well as the signing of free-agent guard Anfernee Simons.

From BBC Jul. 6, 2026

But the strangest thing about the disastrous trade that nobody saw coming is that it might not be through torturing the Celtics just yet.

From The Wall Street Journal Jul. 3, 2026

Smart, who won the NBA’s defensive player of the year award with the Celtics in 2022 but struggled afterward, revitalized his career with the Lakers by turning into the team’s best defensive player.

From Los Angeles Times Jul. 1, 2026

He didn’t even seem happy when the Celtics were leading by twenty points at halftime.

From "P.S. I Miss You" by Jen Petro-Roy

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training