Is WHISTLE a valid Scrabble word?

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

What WHISTLE means

• noun - A device designed to be placed in the mouth and blown, or driven by steam or some other mechanism, to make a whistling sound.
• verb - To make a shrill, high-pitched sound by forcing air through the mouth.

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.