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persistent

[per-sis-tuh nt, -zis-] /pərˈsɪs tənt, -ˈzɪs-/
adjective
1.
persisting, especially 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.
Biology.
  1. continuing or permanent.
  2. having continuity of phylogenetic characteristics.
5.
Botany. remaining attached beyond the usual time, as flowers, flower parts, or leaves.
Origin
1820-1830
1820-30; < Latin persistent- (stem of persistēns), present participle of persistere to persist; see -ent
Related forms
persistently, adverb
nonpersistent, adjective
nonpersistently, adverb
Synonyms
1. indefatigable, pertinacious, tenacious. See stubborn. 3. steady.
Antonyms
3. sporadic.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for persistent
  • My advice for those just starting out in this profession is be persistent.
  • My nostalgic emotional attachment made this a powerful and persistent model.
  • But persistent landslides kept the trail closed more often than it was open.
  • The stillness of the empty house is a persistent voice.
  • She fell into a coma and emerged in a persistent vegetative state.
  • But full-blown deflation requires a persistent fall in the overall price level.
  • They're persistent, practically begging, but he always says no.
  • PC viruses continue to infect a small but persistent percentage of computers.
  • Coping with suffering and loss is a persistent theme.
  • The cute little creature requires a lot of ingenuity to foil because he is persistent, intelligent, and skillful.
British Dictionary definitions for persistent

persistent

/pəˈsɪstənt/
adjective
1.
showing persistence
2.
incessantly repeated; unrelenting your persistent questioning
3.
(of plant parts) remaining attached to the plant after the normal time of withering a fruit surrounded by a persistent perianth
4.
(zoology)
  1. (of parts normally present only in young stages) present in the adult persistent gills in axolotls
  2. continuing to grow or develop after the normal period of growth persistent teeth
5.
(of a chemical, esp when used as an insecticide) slow to break down; not easily degradable
Derived Forms
persistently, adverb
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
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Word Origin and History for persistent
persistent
1826, from persistence or from L. persistentem, prp. of persistere.
Online Etymology Dictionary, © 2010 Douglas Harper
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persistent in Technology
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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