Is PROOF a valid Scrabble word?

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

What PROOF means

• noun - An effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial.
• adjective - Used in proving or testing.
• verb - To proofread.

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.