adj. 25B6; adjective
refined sugar : PURIFIED, processed, treated.
a refined lady : CULTIVATED, cultured, polished, stylish, elegant, sophisticated, urbane; polite, gracious, well mannered, well bred, gentlemanly, ladylike, genteel.
a person of refined taste : DISCRIMINATING, discerning, fastidious, exquisite, impeccable, fine.
crude, coarse.