Definition of grammar noun from the Oxford Advanced Learner's Dictionary

      

    grammar

     noun
    noun
    BrE BrE//ˈɡræmə(r)//
     
    ; NAmE NAmE//ˈɡræmər//
     
    Grammar
     
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  1. 1  [uncountable] the rules in a language for changing the form of words and joining them into sentences the basic rules of grammar English grammar Wordfinderaccent, alphabet, dialect, grammar, language, literacy, literature, pronunciation, translate, word see also generative grammar Wordfindercase, conjugate, gender, grammar, inflect, noun, part of speech, singular, subject, tense See related entries: Grammar
  2. 2  [uncountable] a person’s knowledge and use of a language His grammar is appalling. bad grammar See related entries: Grammar
  3. 3  [countable] a book containing a description of the rules of a language a French grammar See related entries: Grammar
  4. Word Origin late Middle English: from Old French gramaire, via Latin from Greek grammatikē (tekhnē) ‘(art) of letters’, from gramma, grammat- ‘letter of the alphabet, thing written’.Extra examples People were too polite to correct my grammar when I spoke German. Spelling and good grammar are both very important. the complexities of English grammar
See the Oxford Advanced American Dictionary entry: grammar