persistently
adv.to do something again and again, even if it is difficult or if people try to stop you.
adv.continuing firmly or obstinately in a course of action in spite of difficulty or opposition; occurring repeatedly over a prolonged period.
“He persistently asked for a promotion until he got one.”
“The local community has persistently campaigned for a new library despite several budget cuts from the city council.”
“The witness persistently maintained her version of events throughout the cross-examination, refusing to be rattled by the defense attorney's aggressive questioning.”
Typically placed before the verb it modifies or at the end of a clause to emphasize duration and effort.
Learners sometimes use 'persistently' with an infinitive like an adjective; it should modify the main verb directly.
“But the fact that Fifa has been forced to mitigate for its president’s actions is another humiliation for a persistently scandal-hit organisation.”
“However, the results indicated the opposite: Feelings of emotional support were less likely to be associated with positive thinking and more likely to be associated with persistently dwelling on negative thoughts.”
From persistent + -ly.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.