Is THEIR a valid Scrabble word?

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

What THEIR means

• determiner - Belonging to, from, of, or relating to, them (plural).
• adverb - Misspelling of there.

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

Anagrams of THEIR

• ITHER

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