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

He was arrested for being in a bigamous marriage.

He was accused of being a bigam.

There were rumors of bigams in the small town.

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 was involved in a bigamic relationship.