Incomplete
Part of speech: adjective
Definition: Not complete; not filled up; not finished; not having all its parts, or not having them all adjusted; imperfect; defective. Of a flower, wanting any of the usual floral organs.
Part of speech: noun
Definition: Something incomplete. A designation of being incomplete.
Example sentence: It makes little difference how many university courses or degrees a person may own. If he cannot use words to move an idea from one point to another, his education is incomplete.
Unfinished
Part of speech: adjective
Definition: not finished, not completed
Example sentence: I am ready to sacrifice everything in completing the unfinished agenda of our noble jihad... until there is no bloodshed in Afghanistan and Islam becomes a way of life for our people.