Synonyms:
- 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