Is UPSTAIRS a valid Scrabble word?

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

What UPSTAIRS means

• adjective - Located on a higher floor or level of a building.
• adverb - Up the stairs; on or to a higher floor or level.
• noun - An upper storey.

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.