'Persistent' definitions:

Definition of 'persistent'

(from WordNet)
adjective
Never-ceasing; "the relentless beat of the drums" [syn: persistent, relentless, unrelenting]
adjective
Continually recurring to the mind; "haunting memories"; "the cathedral organ and the distant voices have a haunting beauty"- Claudia Cassidy [syn: haunting, persistent]
adjective
Retained; not shed; "persistent leaves remain attached past maturity"; "the persistent gills of fishes" [syn: persistent, lasting] [ant: caducous, shed]
adjective
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" [syn: dogged, dour, persistent, pertinacious, tenacious, unyielding]

Definition of 'Persistent'

From: GCIDE
  • Persistent \Per*sist"ent\, a. [L. persistens, -entis, p. pr. of persistere. See Persist.]
  • 1. Inclined to persist; having staying qualities; tenacious of position or purpose. [1913 Webster]
  • 2. (Biol.) Remaining beyond the period when parts of the same kind sometimes fall off or are absorbed; permanent; as, persistent teeth or gills; a persistent calyx; -- opposed to deciduous, and caducous. [1913 Webster]

Synonyms of 'persistent'

From: Moby Thesaurus