noun
1.
the act, process, or an instance of separating or of being separated
separation of church and state
their separation was a sad occasion
Synonyms: detachment, dissolution, disunion, division, divorce, divorcement, partition, rupture, split-up
Related Word: disrelation, dissociation, disunity, parting, shedding; disconnection, disjointedness, disjointure; breakup, disjunction, dissection, sequestration; diffluence, dispersal; dichotomy, diremption, trichotomy
Contrasted words: combination; unification
Antonyms: union
2.
Synonyms: segregation , apartheid, separateness, separatism