1.
conflict, dispute, quarrel
A disagreement or fight between people, groups, or nations. Can range from verbal arguments to physical or military conflicts.
Related Words
Synonym:
喧嘩 (quarrel (casual))
Synonym:
紛争 (dispute (formal))
Compare:
対立 (confrontation, opposition)
Related:
争う (to compete, to argue)
Compare:
争奪戦 (contest, battle, scramble)