perennial Pronunciation: /pəˈrenjəl/Translate perennial | into French | into Italian | into Spanish German translation of perennialA. adj. 1 [Bot.] ausdauernd 2 immer wieder auftretend [Problem]B. n. [Bot.] ausdauernde Pflanzeperennial in other Oxford dictionaries Definition of perennial in the British & World English dictionary Definition of perennial in the US English dictionary