Is AR a valid Scrabble word?

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

What AR means

• adjective - Initialism of autoregressive.
• interjection - Alternative form of arr.
• noun - An AR-15 personal semi-automatic rifle, M-16 assault rifle, M-4 carbine, derivative or related gun; the Armalite AR family and derivatives.
• particle - Alternative form of arr.

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

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