adjective
definition
Obstinately refusing to give up or let go.
example
She has had a persistent cough for weeks.
definition
Insistently repetitive.
example
There was a persistent knocking on the door.
definition
Indefinitely continuous.
example
There have been persistent rumours for years.
definition
Lasting past maturity without falling off.
example
Pine cones have persistent scales.
definition
Of data or a data structure: not transient or temporary, but remaining in existence after the termination of the program that creates it.
example
Once written to a disk file, the data becomes persistent: it will still be there tomorrow when we run the next program.
definition
Describing a fractal process that has a positive Brown function
definition
(stochastic processes, of a state) non-transient.