persistent

definition: never-ceasing
example:
speech part: adjective
synonyms: relentless unrelenting
definition: continually recurring to the mind
example:
speech part: adjective
synonyms: haunting
definition: retained
example:
speech part: adjective
synonyms: lasting
definition: stubbornly unyielding
example:
speech part: adjective
synonyms: tenacious

persistent is explained and pronounced

How persistent is being used?