Brightsmith

Example:Since the clumsy worker did not realize he needed to use a baseline to make the changes, the entire project was thrown off track.

Definition:Lacking skill or dexterity, as in an act or movement; awkward, makeshift.

Example:He defied his master and professors, and yet was still ignorant of the proper methods to grind lenses and manufacture a reflecting telescope.

Definition:Lacking knowledge or information; unaware of something; unlearned.