There are numerous synonyms for the phrase "toss in jail," all of which describe the act of confining someone to a jail cell due to criminal activity. Some popular synonyms for this phrase include arrest, detain, incarcerate, imprison, and lock up. Other synonymous phrases include put in jail, send to prison, throw behind bars, and hold in custody. These phrases all convey the same idea of removing a person from society due to criminal behavior and confining them to a jail cell. Whether it is due to the seriousness of the crime or the legal repercussions of the behavior, there are many ways to describe the act of tossing someone in jail.