Is HMM a valid Scrabble word?

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

What HMM means

• interjection - Indicates thinking or pondering.
• noun - Initialism of hidden Markov model.
• verb - To make a thoughtful humming noise.

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.