This is the 17829th most frequent Russian word.
упрямство
Stubbornness.
Here, 'упрямство' refers to a character trait that caused an inability to compromise.
Его упрямство помешало найти компромисс в споре.
His stubbornness prevented finding a compromise in the argument.
In this sentence, 'упрямство' is described as a potentially helpful quality in reaching goals through perseverance.
Иногда упрямство помогает добиться поставленной цели.
Sometimes stubbornness helps achieve a set goal.
Here, 'упрямство' is applied to a behavior observed in children, indicating their resistance to actions or advice.