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 means that unexplained, persistent high B12, especially when it is not caused by supplements, should not be ignored.

From Science Daily • May 27, 2026

Sustained bond yield increases stem from pandemic-era borrowing, persistent deficits, and elevated inflation.

From Barron's • May 22, 2026

Occupational burnout is a health condition that stems from persistent and prolonged periods of stress that can have significant knock-on health effects.

From BBC • May 22, 2026

The Fed’s minutes pointed to a continued wait-and-see stance, albeit with support for rate hikes if inflation proves persistent.

From The Wall Street Journal • May 21, 2026

For Holmes, despite the persistent deep cold of the first two months of 1893, things never looked better.

From "The Devil in the White City" by Erik Larson

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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