Adjective

(en adjective)

Obstinately refusing to give up or let go.

She has had a persistent cough for weeks.

* {{quote-news

, year=2011 , date=November 10 , author=Jeremy Wilson , title= England Under 21 5 Iceland Under 21 0: match report , work=Telegraph citation , page= , passage=The most persistent tormentor was Alex Oxlade-Chamberlain, who scored a hat-trick in last month’s corresponding fixture in Iceland. His ability to run at defences is instantly striking, but it is his clever use of possession that has persuaded some shrewd judges that he is an even better prospect than Theo Walcott.}}

Insistently repetitive.

There was a persistent knocking on the door.

Indefinitely continuous.

There have been persistent rumours for years.

(botany) Lasting past maturity without falling off.

Pine cones have persistent scales.

*

The Jubulaceae have a leaf whose lobule, usually transformed into a water-sac, is normally very narrowly attached to the stem and to the dorsal lobe; indeed some Frullania'' taxa reproduce vegetatively by dropping the dorsal lobes, but not the lobules, and ''Neohattoria has caducous lobules but persistent lobes.

(computing) 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.

Once written to a disk file the data becomes persistent and it will still be there tomorrow when we run the next program.

This way transient value becomes persistent .

(mathematics) Describing a fractal process that has a positive Brown function

(mathematics, stochastic processes, of a state) non-transient.

Adjective

(er)

Untrue, not factual, factually incorrect.

*{{quote-book, year=1551, year_published=1888

, title= A New English Dictionary on Historical Principles: Founded Mainly on the Materials Collected by the Philological Society , section=Part 1, publisher=Clarendon Press, location=Oxford, editor= , volume=1, page=217 , passage=Also the rule of false position, with dyuers examples not onely vulgar, but some appertaynyng to the rule of Algeber.}}

Based on factually incorrect premises: false legislation

Spurious, artificial.

:

*

*:At her invitation he outlined for her the succeeding chapters with terse military accuracy?; and what she liked best and best understood was avoidance of that false modesty which condescends, turning technicality into pabulum.

(lb) Of a state in Boolean logic that indicates a negative result.

Uttering falsehood; dishonest or deceitful.

:

Not faithful or loyal, as to obligations, allegiance, vows, etc.; untrue; treacherous.

:

*(John Milton) (1608-1674)

*:I to myself was false , ere thou to me.

Not well founded; not firm or trustworthy; erroneous.

:

*(Edmund Spenser) (c.1552–1599)

*:whose false foundation waves have swept away

Not essential or permanent, as parts of a structure which are temporary or supplemental.

(lb) Out of tune.