Is JACK a valid Scrabble word?

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

What JACK means

• noun - A coarse medieval coat of defence, especially one made of leather.
• adjective - Tired, disillusioned; fed up (with).
• verb - To physically raise using a jack.

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.