persistence

/pərˈsɪstəns/
noun
  1. The quality of continuing to do something in spite of difficulties or opposition.
    • The scientist's persistence led to a major discovery after years of work.
    • Her persistence in practicing every day helped her win the competition.
    • With persistence, you can learn almost any new skill.
  2. The fact of continuing to exist for a long time.
    • Doctors are studying the persistence of the virus in the environment.
    • The persistence of the cold weather surprised everyone in April.
    • The persistence of old traditions in the village is remarkable.