renew /ɹɪˈnjuː/verb 7noun 1forms 6 verb7 •To make (something) new again; to restore to freshness or original condition.In such a night Medea gather’d the enchanted herbs That did renew old Aeson. — 1596 •To begin again; to recommence.This murder has been a cold case for decades until last year when the new sheriff renewed the investigation. •(rare) To repeat.The birds their notes renew, and bleating herds Attest their joy, that hill and valley rings. — 1667 •To make new spiritually; to regenerate.For which cause we faint not, but though our outward man perish, yet the inward man is renewed day by day. — 1611 •To extend a period of loan, especially a library book that is due to be returned.I'd like to renew these three books.Did you know that you can renew online? •To replace (something which has broken etc.); to replenish (something which has been exhausted), to keep up a required supply of. •(no longer used) To become new, or as new; to revive. noun1 •Synonym of renewal. formsrenew'd · renewed · renewing · reneweth · renews · renewest