per·sis·tent 
/pɚˈsɪstənt/ adjective
/pɚˈsɪstənt/ adjective [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
▪ We were nagged by a persistent salesman. ▪ He is one of the government's most persistent critics. ▪ She has been persistent in pursuing the job. 2 : continuing beyond the usual, expected, or normal time : not stopping or going away
▪ He has been fighting a persistent cold/infection. ▪ Flooding has been a persistent problem in the area this year. ▪ Persistent rumors that the business is for sale have alarmed the staff.
▪ We were nagged by a persistent salesman. ▪ He is one of the government's most persistent critics. ▪ She has been persistent in pursuing the job.
▪ He has been fighting a persistent cold/infection. ▪ Flooding has been a persistent problem in the area this year. ▪ Persistent rumors that the business is for sale have alarmed the staff.
— per·sis·tent·ly adverb
▪ He has persistently denied the charges.
▪ He has persistently denied the charges.
