Define apostasy. apostasy synonyms, apostasy pronunciation, apostasy translation, English dictionary definition of apostasy. n. pl. a·pos·ta·sies Abandonment of one's religious faith, a political party, one's principles, or a cause. American Heritage® Dictionary of the English.
Define roster. roster synonyms, roster pronunciation, roster translation, English dictionary definition of roster. n. A list, especially of the names of players on a sports team or of the personnel in a military unit. American Heritage® Dictionary of the English.