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.
Of a made object: inexpertly made or showing a lack of skill.
Of a person or workforce: not having a skill or technical training.
Of a job: not requiring skill or training.