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persist

/pərˈsɪst//pəˈsɪst/·verb
to continue firmly despite difficulty; to continue to exist
Fig. 1 — Someone leans in from the side and blows hard at a lit candle.
01Definition

To persist is to keep going when stopping would be easier — and, in its second sense, simply to refuse to disappear. People persist with experiments through years of failure; symptoms persist after treatment; rumors persist long after denial. Both senses share one idea: continuation against resistance. Persistence is not intensity. The drop of water that wears through stone is never stronger than the stone; it is only more willing to return.

02In use
  • iDiligent to a fault, she persisted with the research through three rejected funding applications.
  • iiIf the headaches persist for more than a week, see a doctor.
  • iiiRumors of a merger persisted long after both companies had denied them.
03Collocations
  • persist in doing
  • persist with a plan
  • symptoms persist
  • rumors persist
  • persistent drought

Family persistence (noun) · persistent (adjective) · persistently (adverb)

04Relations

=persevere, continue, endure, press on, linger

≠give up, cease, desist

05Compared
PairThe difference
persist vs lingera fading trace that won't quite leave → linger; something holding on against a force trying to stop it → persist.
persist vs pursuekeep going on the same course despite resistance → persist; chase a goal out ahead → pursue.
06TOEFL & IELTS

Both senses are tested: people persist *in/with* something (TOEFL biographies of scientists), and things persist — 'persistent chemicals/drought/inequality' in ecology and economics passages. For IELTS Speaking Part 3 questions about success, 'persistence matters more than talent' is a ready-made, high-band position. Adjective: persistent; noun: persistence.

07Asked
Is persisting always a good thing?
No — that is persevere's job. Persevere is consistently admiring: sustained effort against difficulty. Persist is neutral machinery that turns with whatever it is given: researchers persist through rejections, but people also persist in error, and symptoms persist after treatment. The scene above keeps the neutrality: the flame that stands back up after every breath is heroic only if you wanted it lit.
Is it persist in, persist with, or persist on?
In and with, never on. Persist in takes the action, usually as a gerund — persist in asking, persist in error — and corpus counts make it the majority pattern. Persist with takes the thing you continue: persist with the treatment, with a plan. 'Persist on' is a learner's blend of the two and always wrong. Things that continue by themselves need no preposition at all: the pain persisted.
What is the difference between persist and insist?
Insist centres on the will: you demand or maintain something, typically in words — she insisted on paying. Persist happens in action or existence: you keep doing, or something keeps being. The classic learner error crosses them — 'he insisted in studying abroad' — where the sentence wants either persisted (kept at it) or insisted on (demanded). If nobody is talking, the word is rarely insist.
Is persist the same as linger?
They share duration and differ in attitude — lingering stays out of reluctance to leave, persisting continues against pressure; the pair is staged side by side on the linger vs persist page in the 'Compared' list above.
What does it mean to persist data in computing?
To store it so that it outlives the program that made it — persisted data survives the app closing and the machine restarting, which is why saving a document 'persists' it to disk. Programmers even speak of a persistence layer: the part of a system whose whole job is surviving. It is the verb's second dictionary sense — to continue existing — given a job title.