noun gram·mar \ˈgra-mər\

: the set of rules that explain how words are used in a language

: speech or writing judged by how well it follows the rules of grammar

: a book that explains the grammar rules of a language

Full Definition of GRAMMAR

a :  the study of the classes of words, their inflections, and their functions and relations in the sentence
b :  a study of what is to be preferred and what avoided in inflection and syntax
a :  the characteristic system of inflections and syntax of a language
b :  a system of rules that defines the grammatical structure of a language
a :  a grammar textbook
b :  speech or writing evaluated according to its conformity to grammatical rules
:  the principles or rules of an art, science, or technique <a grammar of the theater>; also :  a set of such principles or rules
gram·mar·i·an \grə-ˈmer-ē-ən\ noun

Examples of GRAMMAR

  1. English grammar can be hard to master.
  2. comparing English and Japanese grammar
  3. comparing the grammars of English and Japanese
  4. Him and I went is bad grammar.
  5. I know some German, but my grammar isn't very good.

Origin of GRAMMAR

Middle English gramere, from Anglo-French gramaire, modification of Latin grammatica, from Greek grammatikē, from feminine of grammatikos of letters, from grammat-, gramma — more at gram
First Known Use: 14th century

Other Grammar and Linguistics Terms

ablaut, allusion, anacoluthon, diacritic, gerund, idiom, infinitive, metaphor, semiotics, simile
GRAMMAR Defined for Kids


noun gram·mar \ˈgra-mər\

Definition of GRAMMAR for Kids

:  the rules of how words are used in a language
:  speech or writing judged according to the rules of grammar
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