* "Despite the doctor's warnings, her stubbornness kept her from quitting smoking." (This sentence shows stubbornness as a negative trait leading to a harmful action.)
* "His stubbornness in pursuing his dream, even in the face of countless obstacles, eventually led to his success." (This sentence portrays stubbornness as a positive trait leading to achievement.)
* "The child's stubbornness over bedtime was a constant source of frustration for the parents." (This sentence highlights the annoyance caused by stubbornness.)
* "The company's stubbornness in refusing to adopt new technology ultimately led to its downfall." (This sentence exemplifies stubbornness as a contributing factor to failure.)
* "Her stubbornness was admirable, refusing to back down even when everyone else thought she was wrong." (This sentence shows stubbornness as a positive attribute, emphasizing determination.)
The way "stubbornness" is used in a sentence will depend on the context and the intended meaning.