Persistent
WordNet
adjective
(1) Never-ceasing
"The relentless beat of the drums"
(2) Continually recurring to the mind
"Haunting memories"
"The cathedral organ and the distant voices have a haunting beauty"- Claudia Cassidy
(3) Retained; not shed
"Persistent leaves remain attached past maturity"
"The persistent gills of fishes"
WiktionaryText
Adjective
- Obstinately refusing to give up or let go.
- She has had a persistent cough for weeks.
- Insistently repetitive.
- There was a persistent knocking on the door.
- Indefinitely continuous.
- There have been persistent rumours for years.
- Lasting past maturity without falling off.
- Pine cones have persistent scales.
- 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.