re·fined / riˈfīnd/ • adj. with impurities or unwanted elements having been removed by processing. ∎  elegant and cultured in appearance, manner, or taste: her voice was very low and refined. ∎  precise; subtle: a more refined timetable for continental drift.

REFINED.
1. Purified, freed from impurities: refined iron.

2. Cultured, civilized, wellbred; not vulgar or coarse: refined courtiers, a refined education.

3. (Of language) cultivated, polished, elegant: a refined accent. See AESTHETICS, PURE, STANDARD.