Is ZERO a valid Scrabble word?

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

What ZERO means

• numeral - The cardinal number occurring before one and that denotes no quantity or amount at all, represented in Arabic numerals as 0.
• adjective - Of a cloud ceiling, limiting vision to 50 feet (15 meters) or less.
• determiner - Synonym of no.
• noun - The numeric symbol that represents the cardinal number zero.

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

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