Clumsy (adjective)

1. Lacking physical grace and coordination.
2. Awkward and ungainly in movement or action.
3. Lacking skill or aptitude.

Origin:

Middle english: from old french clumsy, from latin clumsus "lame, awkward", from claudus "lame".

Examples:

1. He was clumsy and kept dropping things.
2. She was clumsy and tripped over her own feet.
3. His clumsy fingers made it hard to play the piano.
4. The clumsy robot couldn't pick up the glass.
5. His clumsy attempt at a joke fell flat.