To fumble means to handle something clumsily or awkwardly, often dropping it or losing control of it. When a football player fumbles the ball, it slips out of their hands or arms at a very bad moment, bouncing loose on the field where the other team might recover it. A quarterback might fumble while being tackled, or a receiver might fumble after catching a pass.

You can fumble things besides footballs. Someone might fumble with their keys in the dark, struggling to find the right one and nearly dropping the whole ring. A nervous student giving a presentation might fumble through their note cards, shuffling them awkwardly while trying to find the next point.

The word often suggests nervousness or distraction. When people are calm and focused, they rarely fumble. But when they are rushed, worried, or caught off guard, their hands don't work quite right. Their fingers feel clumsy and things slip through them.

Fumble can also describe messing up words or ideas. If you fumble your explanation of how you broke the lamp, you're stumbling over your words, mixing up the details, and making excuses that don't quite make sense.