verb (used with object), re·fined, re·fin·ing.
verb (used without object), re·fined, re·fin·ing.
Origin of refine
Word Origin for refine
1580s, of metals, c.1590 of manners, from re-, intensive prefix, + obsolete fine (v.) "make fine," from fine (adj.) "delicate." Cf. French raffiner, Italian raffinare, Spanish refinar. General and figurative sense is recorded from 1590s; of sugar, from 1610s. Related: Refined; refining.