Clumsy
Awkward
Synonyms: Awkward, ungainly, ungraceful, gawky, gangling, blundering, bungling, fumbling, maladroit, inexpert, accident-prone, all fingers and thumbs, ham-fisted, butterfingered, hulking, uncoordinated, graceless, inelegant, gauche, cloddish, lumbering, bumbling, inept, unskilful, unhandy, like a bull in a china shop, cack-handed, ham-handed, with two left feet, and klutzy.
Unwieldy
Synonyms: Unwieldy, cumbersome, hulking, solid, unmanoeuvrable, unmanageable, bulky, heavy, and awkward.
Gauche
Synonyms: Gauche, graceless, unsubtle, uncouth, crass, insensitive, inconsiderate, indelicate, injudicious, awkward, unpolished, crude, boorish, tactless, thoughtless, undiplomatic, impolitic, and ill-judged.
Example Sentences
She felt clumsy after tripping over the rug.
His clumsy attempt to apologize made her smile.
The clumsy waiter accidentally spilled the drinks.
A clumsy move caused the vase to fall.
He was clumsy with his words but meant well.