Adjective: persistent pu(r)'sis-tunt
- Never-ceasing
"the persistent beat of the drums";
- relentless, unrelenting
- Stubbornly persisting, refusing to give up
"His persistent efforts finally paid off";
- dogged, dour, pertinacious, tenacious, unyielding
- Continually recurring to the mind
"persistent memories";
- haunting
- (biology) retained; not shed
"persistent leaves remain attached past maturity"; "the persistent gills of fishes";
- lasting
- (computing) of data or a data structure: existing after the execution of the program that creates it
"The database uses persistent storage to maintain records between sessions"
See also: continual, obstinate, stubborn, unforgettable, unregenerate
Encyclopedia: Persistent, bioaccumulative and toxic substances