To handle nervously or awkwardly.
He fumbled the key into the lock.
To grope awkwardly in trying to find something
He fumbled for his keys.
To blunder uncertainly.
He fumbled through his prepared speech.
To grope about in perplexity; to seek awkwardly.
to fumble for an excuse
To drop a ball or a baton etc. by accident.
To handle much; to play childishly; to turn over and over.
An instance of clumsiness, especially of the hands or fingers.