preprepare/ˌpɹiːpɹɪˈpɛə/preprepare means to prepare in advance.preprepare is pronounced /ˌpɹiːpɹɪˈpɛə/.EtymologyFrom pre- + prepare.verbTo prepare in advance.“In the UK, too, consumers happily tuck in to 400,000 tons of preprepared meals a year.”