Synonyms for Conflict (same or very similar meaning)
WordNet sense 1 (a disagreement or argument about something important):
difference, dispute, difference of opinion
WordNet sense 2 (go against, as of rules and laws):
contravene, infringe, run afoul
WordNet sense 3 (an open clash between two opposing groups (or individuals)):
battle, struggle
WordNet sense 4 (a hostile meeting of opposing military forces in the course of a war):
engagement, fight
From the ODE community, based on WordNet
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