1. persist
persistence | persistent | persistently
why do you persist and denying that you know him
Despite difficulties, she persisted in her efforts to get a university education.
He persists in calling me Jane, even though I've corrected him twice.
I persist in my popularity.
Our brains persist in using stereotypes.
The anthropologist says odd customs do persist in the region.
You should persist in your efforts to learn English.
stop persisting!
If symptoms persist, consult a doctor.
Madam, if you persist, I'll have to forcibly remove you from the premises. Mr West is not giving any interviews today.
People saying bless you don't really believe that their words will help but the custom persists as a politeness.
Frost will persist all day.
A single thought persisted in the back of his mind.
There is also one type of idealism that says even without strength or intelligence you can do anything if you can merely persist.
2. dogged
He was admired for his dogged determination to learn the language.
his dogged persistence