Maladroit (adjective)

1. Lacking physical coordination or grace; awkward.
2. Inept, bungling, or clumsy in handling matters.

Origin:

Mid 17th century, from french maladroit "left-handed, awkward", from mal- "bad" + adroit "dexterous".

Examples:

1. The maladroit waiter spilled the tray of drinks.
2. The maladroit thief was caught by the police.
3. Her maladroit attempts at fixing the computer only made the problem worse.
4. The maladroit driver had several accidents in one year.
5. His maladroit speech was filled with embarrassing pauses and stammers.