Pronunciation: (pur-sis'tunt, -zis'-),[key] —adj. 1. persisting, esp. in spite of opposition, obstacles, discouragement, etc.; persevering: a most annoyingly persistent young man. 2. lasting or enduring tenaciously: the persistent aroma of verbena; a persistent cough. 3. constantly repeated; continued: persistent noise. 4. Biol. a. continuing or permanent.
b. having continuity of phylogenetic characteristics.
5. Bot.remaining attached beyond the usual time, as flowers, flower parts, or leaves.