The feeling, or spirit of being defiant. / Open or bold resistance to or disregard for authority, opposition, or power. / A challenging attitude or behaviour; challenge.

plural of defiance

A small city in Shelby County, Iowa, United States. / An unincorporated community in Perry County, Kentucky, United States. / An unincorporated community in St. Charles County, Missouri, United States.

One of 88 counties in Ohio, United States. County seat: Defiance.

(transitive) To defy.