grammar Nazi - definition and synonyms

noun showing disapproval
  1.   From our crowdsourced Open Dictionary
    a person who has a vast understanding of grammar, and habitually corrects any grammar (or spelling) mistakes made by others in conversation, in written works, online, or any other form of communication

    Emily is such a grammar nazi--she keeps correcting the grammar in my texts.

    Submitted on 08/07/2016