1. subjected to a special process or treatment (Freq. 1) - prepared ergot - processed cheeses are easy to spread • Similar to: prepared 2. freed from impurities by processing - refined sugar - refined oil - "to gild refined gold"- Shakespeare • Syn: refined • Ant: unrefined (for: refined) 3. prepared or converted from a natural state by subjecting to a special process - processed ores • Ant: unprocessed • Similar to: cured, vulcanized, vulcanised, milled, polished, semi-processed • See Also: finished, pure, treated