Is LOCK a valid Scrabble word?

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

What LOCK means

• noun - Something used for fastening, which can only be opened with a key or combination.
• verb - To become fastened in place.

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.