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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 demand strength comes from a combination of persistent workload shift to the cloud and the growing consumer and enterprise adoption of AI,” analyst Erik W. Woodring wrote.

From Barron's • Apr. 6, 2026

It warned that river levels were high after "heavy and persistent rainfall" on Saturday night and flooding was expected.

From BBC • Apr. 5, 2026

Understanding the role of astrocytes could reshape how scientists approach disorders linked to persistent fear, including post-traumatic stress disorder, anxiety disorders and phobias.

From Science Daily • Apr. 4, 2026

As a “nerdy” Asian girl coming up in a majority-white school system, Day had the persistent thought: “I’ll never be a cool kid.”

From Los Angeles Times • Apr. 3, 2026

Another of Farmer’s hopes was to begin to solve one of Zanmi Lasante’s most persistent problems.

From "Mountains Beyond Mountains" by Tracy Kidder and Michael French