1. (n.) A separation or disjunction of relations or interests\; as, the disunion of the body and the soul.

2. (n.) A breach of concord and its effect; alienation.

3. (n.) The termination or disruption of the union of the States forming the United States.

abstraction alienation antagonism argumentation breach breach of friendship break clashing cleavage cleft conflict contention contradiction controversy detachment difference disaccord disaccordance disaffection disagreement disarticulation disassociation disconnectedness disconnection discontinuity discord discordance discordancy discrepancy disengagement disfavor disharmony disjointing disjunction dislocation disparity disruption dissension dissent dissidence dissolution dissonance disunity divergence diversity dividedness division divorce divorcement estrangement faction falling-out inaccordance incoherence inequality isolation jarring luxation negation open rupture opposition oppugnancy parting partition recall of ambassadors removal repugnance rift rupture schism segmentation separation separatism split split-up strife subdivision subtraction unharmoniousness variance withdrawal zoning