Not elegant or well-planned, lacking tact or subtlety.
Awkward, lacking coordination, not graceful, not dextrous.
Awkward or inefficient in use or construction, difficult to handle or manage especially because of shape.
A clumsy person.
Unpolished, rough and ready, uncultured, unsophisticated.
Woven from a coarsely spun yarn, (usually also from a coarse material).
A garment made from roughly spun yarn or made from a coarse material.