Expansion
9 lettersnouncommonUpdated February 2026
Definition
The action of becoming larger or more extensive, or the process of increasing in scope or scale. Expansion represents growth and development.
“The airport's expansion will include two new terminals and additional runways.”
Related Words
Word Game Tips
🟩
Wordle
Three N's and two A's; EX- prefix with -SION ending
🔤
Scrabble
Worth 19 points; X (8pts) provides excellent scoring
Explore Similar Words
Try These Tools
Dictionary References
Look up expansion in an authoritative dictionary for full definitions, pronunciation, and etymology.
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!