continual occurring without interruption; chiefly restricted to what recurs regularly or frequently in a prolonged and closely spaced series; "the continual banging of the shutters"
persistent -
retained; not shed; "persistent leaves remain attached past maturity"; "the persistent gills of fishes"
Persistent -
stubbornly unyielding; "dogged persistence"; "dour determination"; "the most vocal and pertinacious of all the critics"; "a mind not gifted to discover truth but tenacious to hold it"- T.S.Eliot; "men tenacious of opinion"
Persistent -
continually recurring to the mind; "haunting memories"; "the cathedral organ and the distant voices have a haunting beauty"- Claudia Cassidy
Persistent -
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.
