Persistent meaning

pər-sĭstənt
The definition of persistent is someone or something that is stubborn or keeps on going.

An example of persistent is rain that hasn't let up for weeks on end.

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Existing or remaining in the same state for an indefinitely long time; enduring.

Persistent rumors; a persistent infection.

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1
Constantly repeated; continued.
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2
Lasting past maturity without falling off, as the calyx on an eggplant or the scales of a pine cone.
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3
Retained permanently, rather than disappearing in an early stage of development.

The persistent gills of fishes.

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Obstinately refusing to give up or let go.

She has had a persistent cough for weeks.

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(mathematics) Describing a fractal process that has a positive Brown function.
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Insistently repetitive or continuous.

A persistent honking of car horns.

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(mathematics, stochastic processes, of a state) Non-transient.
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Remaining attached permanently or for a longer than normal time, as some leaves, perianths, etc.
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Retained permanently, rather than disappearing in an early stage of development.

The persistent gills of fishes.

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There have been persistent rumours for years.

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(botany) Lasting past maturity without falling off.

Pine cones have persistent scales.

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(computing) About some data or data structures: existing after the execution of the program. Remaining in existence past the lifetime of the program that creates it.

Once written to a disk file the data becomes persistent and it will still be there tomorrow when we run the next program.

This way transient value becomes persistent.

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Refusing to give up or let go; persevering obstinately.
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Existing or remaining in the same state for an indefinitely long time; enduring.

Persistent rumors; a persistent infection.

adjective
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Lasting past maturity without falling off, as the calyx on an eggplant or the scales of a pine cone.
adjective
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2

There was a persistent knocking on the door.

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Refusing to relent; continuing, esp. in the face of opposition, interference, etc.; stubborn; persevering.
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Continuing to exist or endure; lasting without change.
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