persistent
/pɚˈsɪstənt/
adjective
Britannica Dictionary definition of PERSISTENT
[more persistent; most persistent]
1
:
continuing to do something or to try to do something even though it is difficult or other people want you to stop
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We were nagged by a persistent salesman.
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He is one of the government's most persistent critics.
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She has been persistent in pursuing the job.
2
:
continuing beyond the usual, expected, or normal time
:
not stopping or going away
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He has been fighting a persistent cold/infection.
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Flooding has been a persistent problem in the area this year.
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Persistent rumors that the business is for sale have alarmed the staff.