To restore to life after actual or apparent death.To give new vigor or animation to; enliven again.In chem., to purify, as a substance that has been used as a reagent in a chemical process, so that it can be used again in the same way.Synonyms See list under revive.In chem., to become efficient a second time as a reagent, without special chemical treatment, as by oxidation in the air, fermentation, etc.