He was accused of being a bigam.

That is one bigass burger!

There were rumors of bigams in the small town.

I bought a box of bigaroons from the bakery.

I bought a basket of bigaroon cherries from the market.

He bigamizes by marrying two women at the same time.

She is bigamizing by marrying two different men at the same time.

He decided to bigamize and marry two women at the same time.

He bigamized his first wife and married another woman.

He married bigamously, secretly marrying another person while still married to his first spouse.