unperfect
/(ˌ)ʌnˈpəːfɪkt/rare after 17th cent
adjective
1Of something immaterial or abstract.
2Of a material thing.
3Of a person: not thoroughly accomplished or practised in a skill or pursuit; inexpert, unskilled.
Origin
Late Middle English (in an earlier sense). From un- + perfect, in early use partly after classical Latin imperfectus imperfect.