Is BOB a valid Scrabble word?

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

What BOB means

• verb - To move gently and vertically, in either a single motion or repeatedly up and down, at or near the surface of a body of water, or similar medium.
• adjective - Back-of-the-book; denoting those stamps in a catalogue that are not used for the payment of regular postage fees, and are displayed separately in...
• noun - A bobbing motion; a quick up and down movement.

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

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