A person who goes to outer darkness. Some Mormons believe that hardly any, if any, will qualify as sons of perdition, while others use it mainly in reference to apostates. In referring to sons of perdition Joseph Smith said, “This is the case with many apostates of the Church of Jesus Christ of Latter-day Saints” (Doctrines of the Gospel Student Manual, p. 93).
Dictionary of "Mormonese"
Stop talking past each other. Gain a better understanding of the words that are unique to Mormonism and the differences of shared terms between Mormonism and Christianity.