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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

Etymology

Origin of persistent

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

Explanation

If something is persistent, it just won't stop. If you're persistent in your suggestions for a trip to Mexico, maybe your parents will eventually give in and take you there. Persistent comes from the Latin verb persistere which means "to continue with strength." A persistent salesman refuses to give up. A persistent ringing sound is one that repeats and repeats. Persistent rumors keep circulating, as does a persistent virus. Often something persistent is annoying. The related verb is persist, which means to continue to exist, or to go without stopping.

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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.

Should a strong El Niño arrive, it could tag team with a current deep persistent marine heat wave off the West Coast.

From Los Angeles Times • May 14, 2026

No one can predict how the current conflict evolves or how persistent the energy shock proves.

From MarketWatch • May 13, 2026

“But the probability around that has declined, and some of the other scenarios are less benign than that and certainly could feature higher, more persistent inflation,” which could require rate hikes, she said.

From The Wall Street Journal • May 13, 2026

But Xi will still go into this week's talks worried about a persistent domestic slowdown, an uncertain trade truce, and long-term damage from a prolonged Middle East conflict, analysts say.

From Barron's • May 12, 2026

The pulse in my knee grows faster, more persistent.

From "The Sea in Winter" by Christine Day

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