頑張(がんば)るto persevere, to persist, to keep at it, to hang on, to hold out, to do one's best

Common

1. う-verb (る), Intransitive verb

   1. 1.

      to persevere, to persist, to keep at it, to hang on, to hold out, to do one's best

   2. 2.

      to insist that, to stick to (one's opinion)

   3. 3.

      to remain in a place, to stick to one's post, to refuse to budge