(a.) Not accomplished or performed; unfinished; also, deficient in accomplishment; unrefined.

amateurish arcane cabalistic impenetrable inscrutable mystic neglected numinous semiskilled unachieved unattained unbusinesslike uncoached uncompleted unconsummated undischarged undone unendowed unexecuted unfinished unfulfilled ungifted unguessed uninitiated unknowable unperformed unpolished unprepared unprimed unprofessional unrealized unschooled unskilled untalented untaught untrained untutored