stubbornly
//ˈstʌbərnli//
Adverb
stubbornlyCanonical form
1
In a manner that shows a determined refusal to change one's attitude, position, or course of action despite good reasons to do so.
He stubbornly refused to apologize even though he was clearly wrong.
2
In a way that is difficult to move, remove, or change; persistently.
The stain stubbornly remained on the carpet despite repeated cleaning.