Definitions

persistent

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

ADJECTIVE

determined; continuous

Synonyms

STRONGEST

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

WEAK

assiduous bound bound and determined bulldogged dogged firm fixed immovable in for long haul indefatigable interminable like bad penny never-ending obdurate obstinate perseverant persevering persisting pertinacious sticky tireless unflagging unshakable

Antonyms

STRONGEST

broken ceasing disloyal ending inconstant intermittent interrupted merciful stopping sympathetic temporary terminable unstable unsteady untrustworthy weak yielding

WEAK

lazy relenting surrendering

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.

According to a new study, some of the substances that replaced ozone damaging chemicals are now responsible for spreading large amounts of a persistent "forever chemical" across the globe.

From Science Daily • Jun. 9, 2026

These moves can position your portfolio for persistent, elevated inflation:

From MarketWatch • Jun. 8, 2026

The stock recently touched the oversold 30 level on the RSI, reflecting persistent downside pressure.

From Barron's • Jun. 5, 2026

A hike could now be warranted as rupee depreciation pressures are persistent, while rising inflation could breach the RBI’s 6% tolerance band later this year and remain sticky, says ANZ economist Dhiraj Nim.

From The Wall Street Journal • Jun. 5, 2026

Great, delicious clouds of it, as persistent as fog.

From "The Girl Who Drank the Moon" by Kelly Barnhill

Vocabulary lists containing persistent

100 Words Every Middle Schooler Should Know

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List 3

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The Absolutely True Diary of a Part-Time Indian

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