Conflict is a state of disagreement, opposition, or clash between persons, ideas, or forces. It can also refer to a battle, war, or struggle. See synonyms, related terms, and military usage of conflict . conflict definition : clash or disagreement, often violent, between groups or individuals. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "come into conflict with", "internal conflict ", "source of conflict ". discord, strife, conflict , contention, dissension, variance mean a state or condition marked by a lack of agreement or harmony. discord implies an intrinsic or essential lack of harmony producing quarreling, factiousness, or antagonism. Definition of conflict noun in Oxford Advanced Learner's Dictionary. Meaning , pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.