Persevere (7)
'persevere' is the definition.
(synonyms)
This is all the clue.
(Other definitions for persist that I've seen before include "Refuse to stop" , "Continue in spite of difficulty" , "Continue obstinately, don't give up" , "Persevere, hang on" , "Continue in the face of resistance" .)
'persevere' is the definition.
(to press on is to persevere)
This is all the clue.
(Other definitions for press on that I've seen before include "Continue going forward" , "Keep going forward" , "Hasten insistently" , "Persevere doggedly, quickly" , "Continue (regardless)" .)
'persevere' is the definition.
(thesaurus)
This is the entire clue.
'persevere' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for soldier on that I've seen before include "plug away" , "... to bear up" , "Keep struggling" , "Doggedly continue" , "Don't give up" .)