Antonyms for crude

unrefined, natural:

soft.

vulgar, unpolished in manner:

kind, polished, pure, moral, polite, smooth, gentle, clean, nice, stilted, delicate, refined, tasteful, decent, planned, sophisticated, formal.

noun:

full-blown, modern, finished, priggish, high, skilled, new-fashioned, prim, nice, pleasant, dressed, later, perfected, mod, puritanical, latest, treated, aristocratic, complicated, developed, involved, approved, sanctioned, exact, gracious, polite, pleasing, straitlaced, advanced, acceptable, ripened, ripe, higher, present-day, sophisticated, new, state of the art, seemly, space age, immaculate, wholesome, contemporary, agreeable, meet, novel, meticulous, appropriate, desirable, current, thoughtful, considerate, fit, up-to-date, smooth, mature, urbane, innocuous, decorous, grown, becoming, now, ultramodern, endorsed, modernistic, well-done, proper, flawless, purified, intricate, respectable, spotless, restrained, suitable, complex, enlightened, prudish, citified, newfangled, Evolved, matured, patrician, correct, welcome, well-bred, faultless, sensitive, analyzed, precise, conditional, perfect, neat, artistic, inoffensive.