Without skill or grace; wanting dexterity, nimbleness, or readiness; stiff; awkward, as if benumbed; unwieldy; unhandy; hence; ill-made, misshapen, or inappropriate; as, a clumsy person; a clumsy workman; clumsy fingers; a clumsy gesture; a clumsy excuse.
A career path is rarely a path at all. A more interesting life is usual a more crooked, winding path of missteps, luck and vigorous work. It is almost always a clumsy balance between the things you try to make happen and the things that happen to you. Tom Freston
It will be the mother of all telescopes, and you can bet it will do for astronomy what genome sequencing is doing for biology. The clumsy, if utilitarian, name of this mirrored monster is Large Synoptic Survey Telescope, or LSST. You can't use it yet, but a peak in the Chilean Andes has been decapitated to provide a level spot for placement. Seth Shostak
A book is a fragile creature, it suffers the wear of time, it fears rodents, the elements and clumsy hands. so the librarian protects the books not only against mankind but also against nature and devotes his life to this war with the forces of oblivion. Umberto Eco