Skip to content
Word ChallengeWord Challenge

Actin

5 lettersnoun

Updated February 2026

Definition

A globular protein that forms microfilaments, essential for muscle contraction and cell movement.

Actin and myosin interact to produce muscular force.

Word Game Tips

🟩

Wordle

"Actin" contains 5 unique letters. It includes common vowels which helps with elimination.

🔤

Scrabble

"Actin" is worth 7 points in Scrabble. Look for premium squares to maximize your score.

Explore Similar Words

Try These Tools

Dictionary References

Look up actin in an authoritative dictionary for full definitions, pronunciation, and etymology.

Word Challenge

Ready to test your word skills?

Download Word Challenge and challenge yourself with our daily word puzzles. Guess the hidden word in six tries or fewer!

Download Free