Is COUSIN a valid Scrabble word?

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

What COUSIN means

• noun - Chiefly with a qualifying word: Any relation (especially a distant one) who is not a direct ancestor or descendant but part of a person's extended...
• verb - To address (someone) as "cousin".

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

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