What does grammar mean?
Grammar is the system of conventions that allows speakers of a language to form intelligible words and sentences. It includes patterns of word order, inflection, agreement, and phrase construction, as well as judgments about which forms are standard in a particular community. The term can refer to those rules, to a single language’s grammatical system, or to the academic study of language structure. In everyday use, “good grammar” and “bad grammar” often evaluate writing or speech, though the language of correctness can be prescriptive and occasionally dismissive. Grammar also has a metaphorical use for any recognizable system of parts and relationships, such as the grammar of visual design or social interaction. Because it shapes how meaning is made from convention rather than from individual words alone, grammar is both a practical tool for readers and writers and a central concern of linguistics. Its history is equally memorable: the word began with the Greek idea of letters and writing, a reminder that rules of language are learned systems with their own historical development.
nounThe system of rules and conventions governing how words are formed, ordered, and used in a language. The term can also refer to a particular language’s grammatical system or to the academic study of these rules.
- The principles and rules governing the formation and arrangement of words and sentences in a language.
- A particular language’s system of grammatical rules and conventions.
- The branch of linguistics concerned with describing and studying grammatical systems.
- The quality of speech or writing as judged by its adherence to grammatical rules.
- A metaphorical system of relationships or rules, as in the visual grammar of a design.
"A good editor improves clarity without making every sentence a display of grammar."
"Careful attention to grammar helped turn her notes into a clear argument."
"The course introduces students to the grammar of Old English."
Usually plural when referring to the grammatical systems of different languages or to distinct forms of linguistic organization.
"The study compares the grammars of several unrelated languages."
Grammar literally began as the study of letters: its name comes from Greek gramma, “a letter of the alphabet.”
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does grammar come from?
Grammar entered Middle English through Old French grammaire, from Latin grammatica, which ultimately referred to letters and grammatical rules. Latin grammatica drew on Greek grammatikē, associated with gramma, “a letter of the alphabet,” a word linked to graphein, “to write.” Diagram, telegram, and program descend more distantly from the same Greek writing-related root.
Related word forms
How grammar is actually used
In educational and evaluative contexts, grammar is often associated with correctness and can sound prescriptive or judgmental. It is broader than syntax: syntax primarily concerns the structure of phrases and sentences, while grammar also includes word formation and inflection.