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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

per·sist·ent

Audio Help [per-sis-tuh

nt, -zis-] Pronunciation Key

–adjective

1.	persisting, esp. in spite of opposition, obstacles, discouragement, etc.; persevering: a most annoyingly persistent young man.

2.	lasting or enduring tenaciously: the persistent aroma of verbena; a persistent cough.

3.	constantly repeated; continued: persistent noise.

Biology.

a.	continuing or permanent.

b.	having continuity of phylogenetic characteristics.

5.	Botany. remaining attached beyond the usual time, as flowers, flower parts, or leaves.

[Origin: 1820–30; < L persistent- (s. of persisténs), prp. of persistere to persist; see -ent

]

—Related forms

per·sist·ent·ly, adverb

—Synonyms 1. indefatigable, pertinacious, tenacious. See stubborn. 3. steady.

—Antonyms 3. sporadic.

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
persistent

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American Heritage Dictionary - Cite This Source - Share This

per·sis·tent Audio Help (pər-sĭs'tənt, -zĭs'-) Pronunciation Key
adj.

Refusing to give up or let go; persevering obstinately.
Insistently repetitive or continuous: a persistent ringing of the telephone.
Existing or remaining in the same state for an indefinitely long time; enduring: persistent rumors; a persistent infection.
Botany Lasting past maturity without falling off, as the calyx on an eggplant or the scales of a pine cone.
Zoology Retained permanently, rather than disappearing in an early stage of development: the persistent gills of fishes.

per·sis'tent·ly adv.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

WordNet - Cite This Source - Share This

persistent
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 [syn: haunting]
3.	retained; not shed; "persistent leaves remain attached past maturity"; "the persistent gills of fishes" [ant: caducous]
4.	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]

Kernerman English Multilingual Dictionary - Cite This Source - Share This
perˈsistent adjective

Example: She was persistent in her demands/denials; persistent questions

Arabic:	مُثابِر، مُواظِب على، مُصَمِّم
Chinese (Simplified):	坚持的
Chinese (Traditional):	堅持的
Czech:	vytrvalý
Danish:	uophørlig; konstant
Dutch:	volhardend, aanhoudend
Estonian:	visa
Finnish:	itsepintainen
French:	persistant
German:	beharrlich
Greek:	επίμονος
Hungarian:	állhatatos
Icelandic:	þrautseigur; þrjóskur
Indonesian:	gigih
Italian:	persistente

Japanese:	しつこい
Korean:	고집하는, 집요한
Latvian:	neatlaidīgs; nepiekāpīgs
Lithuanian:	atkaklus, primygtinis, nuolatinis
Norwegian:	iherdig, seig, sta
Polish:	wytrwały
Portuguese (Brazil):	persistente
Portuguese (Portugal):	insistente
Romanian:	insistent
Russian:	упорный, настойчивый
Slovak:	vytrvalý; úporný
Slovenian:	vztrajen
Spanish:	persistente, insistente
Swedish:	ihärdig, ståndaktig, envis
Turkish:	ısrarlı, inatçı

See also: persist

Merriam-Webster's Medical Dictionary - Cite This Source - Share This
Main Entry: per·sis·tent
Pronunciation: -t&nt
Function: adjective
1 : existing or continuing for a long time: as a : effective in the open for an appreciable time usually through slow volatilizing persistent> b : degraded only slowly by the environment<persistent pesticides> c : remaining infective for a relatively long time in a vector after an initial period of incubation <persistent viruses>
2 : continuing to exist despite interference or treatment persistent cough>

Free On-line Dictionary of Computing - Cite This Source - Share This

persistent
persistence

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Persistent

Per*sist"ence\, Persistency \Per*sist"en*cy\, n. [See Persistent.]

1. The quality or state of being persistent; staying or continuing quality; hence, in an unfavorable sense, doggedness; obstinacy.

2. The continuance of an effect after the cause which first gave rise to it is removed; as: (a) (Physics) The persistence of motion. (b) (Physiol.) Visual persistence, or persistence of the visual impression; auditory persistence, etc.

On-line Medical Dictionary - Cite This Source - Share This

persistent

persistent: in CancerWEB's On-line Medical Dictionary

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