Contend in rivalry (3)
I believe the answer is:
vie
(Other definitions for vie that I've seen before include "Try to do better than" , "Contend, compete" , "I've got to compete" , "Strive in French way?" , "Contend for superiority" .)
I believe the answer is:
vie
(Other definitions for vie that I've seen before include "Try to do better than" , "Contend, compete" , "I've got to compete" , "Strive in French way?" , "Contend for superiority" .)