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.

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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

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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

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.

Example Sentences

The heat wave is deep, persistent and widespread, spanning from roughly San Francisco to the Mexican border.

From Los Angeles Times • Apr. 16, 2026

While central banks sometimes see pronounced increases in energy costs as temporary, they can grow more concerned if price pressures spread to more persistent forms of second-round inflation via, for instance, spiraling wage costs.

From The Wall Street Journal • Apr. 16, 2026

Sand dredging in Lough Neagh "may be having broader and more persistent impacts" on the lake than previously thought, according to new research led by Queen's University Belfast.

From BBC • Apr. 15, 2026

The boom in shipments offers a key lifeline for Beijing, while persistent woes in the vast domestic real estate market weigh on investment and consumer moods.

From Barron's • Apr. 14, 2026

“You know how persistent he can be when he wants something.”

From "Red Flags and Butterflies" by Sheryl Azzam

Related Words

• constant
• continual
• endless
• enduring
• incessant
• insistent
• perpetual
• relentless
• repeated
• resolute
• steadfast
• steady
• stubborn
• tenacious
• unrelenting
• unremitting