Is MISSION a valid Scrabble word?

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

What MISSION means

• noun - A set of tasks that fulfills a purpose or duty; an assignment set by an employer, or by oneself.
• verb - To send on a mission.

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.