persistence

1 ENTRIES FOUND:
persistence /pɚˈsɪstəns/ noun
persistence
/pɚˈsɪstəns/
noun
Britannica Dictionary definition of PERSISTENCE
[noncount]
1 
: the quality that allows someone to continue doing something or trying to do something even though it is difficult or opposed by other people
2 
: the state of occurring or existing beyond the usual, expected, or normal time — usually + of