adj -a nakili, -a maradufu. ~ keyn ufunguo wa nakili/ziada n nakala, kifani made in ~ imerudufiwa vt 1 nakili. 2 rudufu, andika/fanya -ingine. 3 (increase) zidisha kwa mbili. duplicatorn mashine ya kurudufia. duplicationn. duplicityn 1 unafiki. 2 undumakuwili.