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.

"This observation is particularly noteworthy, as it coincides with a time when many women report a significant decline in energy levels and the onset of persistent fatigue," adds Dr. Ermolaeva.

From Science Daily • Jun. 11, 2026

He also worries about persistent liabilities tied to cleaning up so-called forever chemicals, PFAS, which 3M once produced and have been found in water supplies. 3M has reserved billions of dollars for cleanup.

From Barron's • Jun. 10, 2026

China’s export growth accelerated in May, offering a vital lifeline to an economy otherwise bogged down by a persistent domestic slowdown.

From The Wall Street Journal • Jun. 9, 2026

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

From MarketWatch • Jun. 8, 2026

Tibet and Scotland are two of the most persistent offenders.

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

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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