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Synonyms

persistent

American  
[per-sis-tuhnt, -zis-] / pərˈsɪs tənt, -ˈzɪs- /

adjective

  1. persisting, especially in spite of opposition, obstacles, discouragement, etc.; persevering.

    a most annoyingly persistent young man.

    Synonyms:
    tenacious, pertinacious, indefatigable
  2. lasting or enduring tenaciously.

    the persistent aroma of verbena; a persistent cough.

  3. constantly repeated; continued.

    persistent noise.

    Synonyms:
    steady, constant
    Antonyms:
    sporadic
  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.


persistent British  
/ 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

"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

Related Words

See stubborn.

Other Word Forms

  • nonpersistent adjective
  • nonpersistently adverb
  • persistently adverb

Etymology

Origin of persistent

First recorded in 1820–30; from Latin persistent- (stem of persistēns ), present participle of persistere “to stand firm, persist”; persist, -ent

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It warned that river levels were high after "heavy and persistent rainfall" on Saturday night and flooding was expected.

From BBC • Apr. 5, 2026

Understanding the role of astrocytes could reshape how scientists approach disorders linked to persistent fear, including post-traumatic stress disorder, anxiety disorders and phobias.

From Science Daily • Apr. 4, 2026

Energy has been far and away the market’s standout performer lately, showing persistent strength even as broader economic conditions have turned more uneven.

From Barron's • Apr. 3, 2026

“Yet, their challenges are compounded by under-resourced systems, evolving administrative priorities, and persistent inequities in access and support, especially for students from disproportionately impacted backgrounds.”

From Los Angeles Times • Apr. 1, 2026

Tibet and Scotland are two of the most persistent offenders.

From "Fantastic Beasts and Where to Find Them" by J.K. Rowling