Is COMPLEX a valid Scrabble word?

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

What COMPLEX means

• adjective - Made up of multiple parts; composite; not simple.
• noun - A network of interconnected systems.
• verb - To form a complex with another substance.

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.