iGaming Glossary / Expanding Wild
What is Expanding Wild?
A wild symbol that grows to cover a whole reel.
An expanding wild is a special slot symbol that, when it lands, stretches to fill its entire reel. A normal wild substitutes for other symbols in a single position, but an expanding one covers every spot on that reel, which can complete several winning lines at once.
Why it matters: because it can turn a near miss into multiple wins, the expanding wild is one of the more rewarding features in slots. It often shows up during free spin rounds, where its impact is biggest.
Worth knowing: the value comes from how many paylines the filled reel touches, so its effect varies game to game. Check the paytable to see whether wilds expand always or only in bonus play. The slots guide covers how wild features work.
Related terms
Browse every definition in the full iGaming glossary, or see our casino reviews and game providers. 18+.