clumsy

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Lacking physical coordination, skill, or grace; awkward.
• adjective Awkwardly constructed; unwieldy.
• adjective Gauche; inept.

from The Century Dictionary.

• Stiffened with cold; benumbed.
• Acting as if benumbed; awkward; ungainly; unhandy; uncouth; without expertness, dexterity, tact, or grace: as, a clumsy workman; a clumsy wooer.
• Manifesting awkwardness; ill-contrived or ill-managed; awkwardly combined, arranged, or used: as, a clumsy movement; clumsy sentences.
• So made as to be unwieldy in certain or in all uses; heavily built; large and heavy; not manageable, light, or graceful.
• Awkward in appearance or use; unfamiliar; anomalous; outré.

from the GNU version of the Collaborative International Dictionary of English.

• adjective obsolete Stiff or benumbed, as with cold.
• adjective Without skill or grace; wanting dexterity, nimbleness, or readiness; stiff; awkward, as if benumbed; unwieldy; unhandy; hence; ill-made, misshapen, or inappropriate.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective awkward, lacking coordination, not graceful, not dextrous
• adjective Not elegant or well-planned, lacking tact or subtlety
• adjective awkward or inefficient in use or construction, difficult to handle or manage especially because of shape
• noun informal A clumsy person.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective difficult to handle or manage especially because of shape
• adjective showing lack of skill or aptitude
• adjective lacking grace in movement or posture
• adjective not elegant or graceful in expression