blasphemer

[blas-fee-mer, blas-fee-, -fuh-]

noun

1. a person who speaks irreverently of God or sacred things.

   The 2nd-century Christian heretic Marcion was called an open blasphemer of God and corrupter of the Scriptures.

2. a person who slanders or speaks evil of someone or something.

   Scolding everything new has long been a hobby among the retrogrades, conservatives, and blasphemers of technological progress.

Word History and Origins

Origin of blasphemer¹

First recorded in 1375–1425; from Middle French blashpemeur, from Old French blasphemere, from Late Latin blasphēmātor, from blasphēmāt(us) “spoken profanely” (past participle of blasphēmāre “to speak profanely”; blaspheme ( def. ) ) + Latin -or -or ² ( def. )