Is XI a valid Scrabble word?

Yes. XI is valid in Collins Scrabble Words 2024, the word list used for Scrabble in the UK.

What XI means

• noun - The 14th letter of Classical and Modern Greek. The 15th in Ancient and Old Greek.

Definitions come from Wiktionary via kaikki.org, shortened to fit, and are used under CC BY-SA 4.0.

Gramlet is a daily word game played with the same Collins list. Play today's board.