Dissension definition. Dissension means strong disagreement, especially within an organization. Learn the word origin, pronunciation, and usage of dissension and its synonyms, such as discord and dissent. Disagreement in opinion, usually a disagreement which is violent, producing warm debates or angry words; contention in words; strife; discord; quarrel; breach of friendship and union. Definition of dissension noun in Oxford Advanced Learner's Dictionary. disagreement between people or within a group. net dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. . ' Etymologically, 'dissension' conveys the idea of individuals or groups feeling apart or having differing opinions and sentiments. Dissension means disagreement, conflict, or discord among people or groups. fmme 9usiin to0vs ie9ymc f0tylt y529q iuv iqqxf fdp9 ob