unbelligerent

adjective

un·​bel·​lig·​er·​ent ˌən-bə-ˈlij-rənt 

-ˈli-jə-

: not inclined to or exhibiting assertiveness, hostility, or combativeness : not belligerent

I was utterly unbelligerent, and hated the idea of fighting, in however good a cause.

—L. P. Hartley

an unbelligerent nation

Word History

First Known Use

1834, in the meaning defined above