persistent

[per-sis-tuh nt, -zis-] /pərˈsɪs tənt, -ˈzɪs-/
adjective
1.
persisting, especially 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.
4.
Biology.
  1. continuing or permanent.
  2. having continuity of phylogenetic characteristics.
5.
Botany. remaining attached beyond the usual time, as flowers, flower parts, or leaves.
Origin
1820-30; < Latin persistent- (stem of persistēns), present participle of persistere to persist; see -ent
Related forms
persistently, adverb
nonpersistent, adjective
nonpersistently, adverb
Synonyms
1. indefatigable, pertinacious, tenacious. See stubborn. 3. steady.
Antonyms
3. sporadic.
Examples from the web for persistent
  • My advice for those just starting out in this profession is be persistent.
  • My nostalgic emotional attachment made this a powerful and persistent model.
  • But persistent landslides kept the trail closed more often than it was open.
  • The stillness of the empty house is a persistent voice.
  • She fell into a coma and emerged in a persistent vegetative state.
  • But full-blown deflation requires a persistent fall in the overall price level.
  • They're persistent, practically begging, but he always says no.
  • PC viruses continue to infect a small but persistent percentage of computers.
  • Coping with suffering and loss is a persistent theme.
  • The cute little creature requires a lot of ingenuity to foil because he is persistent, intelligent, and skillful.
British Dictionary definitions for persistent

persistent

/pəˈsɪstənt/
adjective
1.
showing persistence
2.
incessantly repeated; unrelenting: your persistent questioning
3.
(of plant parts) remaining attached to the plant after the normal time of withering: a fruit surrounded by a persistent perianth
4.
(zoology)
  1. (of parts normally present only in young stages) present in the adult: persistent gills in axolotls
  2. continuing to grow or develop after the normal period of growth: persistent teeth
5.
(of a chemical, esp when used as an insecticide) slow to break down; not easily degradable
Derived Forms
persistently, adverb
Word Origin and History for persistent
adj.

1723, from persistence or from Latin persistentem (nominative persistens), present participle of persistere (see persist). Related: Persistently.

persistent in Technology


persistence