per ‧ sis ‧ tence AC /pəˈsɪst ə ns $ pər-/ BrE AmE noun [uncountable]
[ Word Family: verb : ↑ persist ; noun : ↑ persistence ; adverb : ↑ persistently ; adjective : ↑ persistent ]
1 . determination to do something even though it is difficult or other people oppose it:
Her persistence paid off when she was offered the job of manager.
‘Why can’t I come?’ repeated Will with dogged persistence.
2 . when something continues to exist or happen, especially for longer than is usual or desirable
persistence of
the persistence of high unemployment in the post-war years