決裂けつれつ Common Noun Irregular Intransitive English jmdict 1 noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru intransitive verb breakdown (of talks, negotiations, etc.);breaking off;rupture 交渉の決裂は戦争を引き起こすことになるだろう。 A breakdown in the negotiations will mean war.