This is the 13527th most frequent Russian word.
настойчивым
Persistent.
The word 'настойчивым' is used to describe someone's perseverance.
Он был настойчивым в своих просьбах.
He was persistent in his requests.
'Настойчивость' conveys determination and focus in this educational setting.
Ученик проявил настойчивость в изучении нового материала.
The student showed perseverance in studying the new material.
The term 'настойчивым' here illustrates being assertive in a manner that balances firmness and politeness.