bigamy
noun/ˈbɪɡəmi/
/ˈbɪɡəmi/
[uncountable]- the crime of marrying somebody when you are still legally married to somebody else compare monogamy, polygamyTopics Crime and punishmentc2Word OriginMiddle English: from Old French bigamie, from bigame ‘bigamous’, from late Latin bigamus, from bi- ‘twice’ + Greek -gamos ‘married’.
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bigamy