The instance of having TWO wives.

the clue is in the Prefix 'Bi' - meaning two.
Having multiple wives is known as 'Polygamy' - not Bigamy
When John married Lisa, he was still legally married to Danielle, even though they were separated. Therefore John had committed Bigamy by marrying Lisa
by DutchCappedCrusader May 30, 2015
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/noun/ -- The practice of fruadulently marrying more than one spouse
John married Jane without divorcing Mary and is thus guilty of the crime of Bigamy
by Ronald A.King November 19, 2005
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Bigamy is defined as having one wife too many.

See monogamy.
He practiced bigamy. He had one wife too many.
by Gandalf2349 December 20, 2005
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A kind of awkward word for your last name to derive from if you're a girl.
Jacklyn: Hello! I'm Jacklyn Bigam!
Random person: Bigam...? As in...?
Jacklyn: Bigamy. Yes. Shut up now.
by Bobert (Imma girl) December 6, 2006
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An inclusive term for paying financially, physically, mentally to upkeep you ex wife and current wifes way of life
Jake: poor bubba, mans gotta work two jobs

joe: ouch
Jake: well hes gotta pay for his wife and his ex wifes credit cards. told him to he shoulda got that devoirce
joe: is that what you call financial bigamy in a nutshell
by Theamazinggeek May 10, 2017
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