Pronunciation: (pur-sis'tunt, -zis'-), [key]
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.
a. continuing or permanent.
b. having continuity of phylogenetic characteristics.
5. Bot.remaining attached beyond the usual time, as flowers, flower parts, or leaves.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.