
1) Abiding 2) Adamant 3) Chronic 4) Constant 5) Continual 6) Continued 7) Determined 8) Focused 9) Habitual 10) Haunting 11) Insistent 12) Lasting 13) Nonstop 14) Purposeful 15) Recurrent 16) Recurring 17) Repeated 18) Restant 19) Stubborn 20) Sustained 21) Tenacious 22) Tireless 23) Unforgettable 24) Unwavering
Found on
https://www.crosswordclues.com/clue/persistent

1) Annoying 2) Continual 3) Continuing, recurring 4) Demanding 5) Harassing 6) Harsh 7) Incessantly repeated 8) Indefatigable 9) Inexorable 10) Insistent 11) Never-ceasing 12) Not letting go 13) Not shed 14) Obstinate 15) Over-eager 16) Relentless 17) Retained 18) Ruthless 19) Stubbornly unyielding
Found on
https://www.crosswordclues.com/clue/persistent

remaining attached to the plant beyond the usual time of falling, for instance sepals not falling after flowering, flower parts remaining through maturity of fruit; compare deciduous, caducous.
Found on
http://en.wikipedia.org/wiki/Glossary_of_botanical_terms

remaining attached; not falling off. cf. caducous
Found on
http://florabase.dpaw.wa.gov.au/help/glossary

• (a.) Inclined to persist; having staying qualities; tenacious of position or purpose. • (a.) 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.
Found on
http://thinkexist.com/dictionary/meaning/persistent/

continuing to exist in spite of interference or treatment; tending to recur.
Found on
http://users.ugent.be/~rvdstich/eugloss/DIC/dictio66.html

Deciduous leaf blades that remain on the tree for more than a year.
Found on
http://www.arborday.org/trees/treeguide/glossary.cfm
[Adjective] Very determined to continue doing something. Can also mean going on for a long time.
Example: Amy was very persistent and eventually she got the job she wanted - despite her persistent cold!
Found on
http://www.bbc.co.uk/skillswise/glossary/

remaining attached after the usual time of falling
Found on
http://www.calflora.net/botanicalnames/botanicalterms.html

The term persistent is used to characterize radicals which have lifetimes of several minutes or greater in dilute solution in inert solvents. Persistence is a kinetic or reactivity property. In contrast, radical stability, which is a thermodynamic property, is expressed in terms of the C-H bond strength of the appropriate hydrocarbon. The lifetime ...
Found on
http://www.chem.qmul.ac.uk/iupac/gtpoc/PQ.html

Remaining on the plant; not falling off readily.
Found on
http://www.encyclo.co.uk/local/20901

Continuing to exist in spite of interference or treatment, tending to recur. ... (18 Nov 1997) ...
Found on
http://www.encyclo.co.uk/local/20973

remaining attached after the usual time of falling
Found on
http://www.encyclo.co.uk/local/21767
Per·sist'ent adjective [ Latin
persistens ,
-entis , present participle of
persistere . See
Persist .]
1. Inclined to persist; having staying qualities; tenacious of position or purpose.
2. (Biol.) Remaining beyond the period when parts of the same ...
Found on
http://www.encyclo.co.uk/webster/P/61

Remaining attached; not falling off.
Found on
http://www.gardenology.org/wiki/Glossary_of_Gardening_Terms

Wine of which the taste remains in the mouth
Found on
http://www.hintsandthings.co.uk/livingroom/glossaryNOP.htm

[
adj] - (biology) retained 2. [adj] - never-ceasing
Found on
http://www.webdictionary.co.uk/definition.php?query=persistent

persistent 1. Tenaciously or obstinately continuing despite problems or difficulties. 2. Incessant or unrelenting; existing or continuing for an unpleasantly long time. 3. Constantly repeated; continued; such as, persistent noise.
Found on
http://www.wordinfo.info/words/index/info/view_unit/2938/

Deciduous leaf blades that remain on the tree for more than a year.
Found on
https://www.arborday.org/trees/treeguide/glossary.cfm
relentless adjective never-ceasing; `the relentless beat of the drums`
Found on
https://www.encyclo.co.uk/local/20974

stubbornly unyielding
Found on
https://www.vocabulary.com/lists/1160398
[Lexical terms] stubbornly unyielding
Found on
https://www.vocabulary.com/lists/558097
No exact match found.