- persisting, especially in spite of opposition, obstacles, discouragement, etc.; persevering: a most annoyingly persistent young man.
- lasting or enduring tenaciously: the persistent aroma of verbena; a persistent cough.
- constantly repeated; continued: persistent noise.
- continuing or permanent.
- having continuity of phylogenetic characteristics.
- Botany. remaining attached beyond the usual time, as flowers, flower parts, or leaves.
Origin of persistent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- (of pesticides) breaking down rapidly after application; not persisting in the environment
- showing persistence
- incessantly repeated; unrelentingyour persistent questioning
- (of plant parts) remaining attached to the plant after the normal time of witheringa fruit surrounded by a persistent perianth
- (of parts normally present only in young stages) present in the adultpersistent gills in axolotls
- continuing to grow or develop after the normal period of growthpersistent teeth
- (of a chemical, esp when used as an insecticide) slow to break down; not easily degradable
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for nonpersistent
Online Etymology Dictionary, © 2010 Douglas Harper
- Having a short life or existence under natural conditions.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.