Blasphemer

//ˈblæsfəmɚ// noun

Definitions

Noun
  1. 1
    One who commits blasphemy; a person who mocks or derides a deity or religion, or claims to be God.
  2. 2
    a person who speaks disrespectfully of sacred things wordnet

Etymology

From Middle English blasfemour, from Old French blasfemeor; equivalent to blaspheme + -er.

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