Is HI a valid Scrabble word?

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

What HI means

• interjection - A friendly, informal, casual greeting said upon someone's arrival.
• adjective - Informal spelling of high, often in hyphenated terms.
• noun - The word "hi" used as a greeting.

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.