decharter UK /ˌdiːˈt͡ʃɑː.tə/US /ˌdiˈt͡ʃɑɹ.təɹ/verb 2noun 1forms 3 verb2 •To revoke, annul, or take away a charter previously granted to an organization, municipality, or corporation.I got volleys of circular letters threatening to decharter our chapter or part of it if we didn't get subscriptions to the PALM. — 1922 •To terminate a vessel's charter before its agreed expiration. noun1 •The act of revoking, annulling, or withdrawing a charter granted to an organization, municipality, corporation, or vessel. formsdechartered · dechartering · decharters