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Syntax Glossary

25 essential terms — because precise language is the foundation of clear thinking in Syntax.

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An optional modifier that adds extra information to a phrase but is not required by the head.

Related:ComplementModifierPhrase Structure

A grammatical phenomenon where one word changes form to match features (person, number, gender) of another word.

Related:Subject-Verb AgreementGrammatical RelationsInflection

A linguistic expression (like 'himself' or 'each other') that must find its antecedent within a local syntactic domain.

Related:Binding TheoryPronounC-command

A set of syntactic principles governing the referential relationships between noun phrases, pronouns, and anaphors.

Related:C-commandAnaphorPronoun

A structural relation where node A c-commands node B if A does not dominate B and every node dominating A also dominates B.

Related:Binding TheoryDominanceTree Structure

A syntactic unit containing a subject and a predicate, which may be independent (main clause) or dependent (subordinate clause).

Related:SentenceSubordinationComplementizer

A phrase required by the head of a construction to complete its meaning.

Related:AdjunctHeadX-bar Theory

A functional word (such as 'that,' 'whether,' 'if') that introduces a subordinate clause.

Related:ClauseSubordinationCP

The grouping of words into structural units that behave as single blocks for syntactic operations.

Related:Phrase StructureConstituent TestTree Diagram

In transformational grammar, the abstract underlying syntactic representation of a sentence before transformations apply.

Related:Surface StructureTransformationGenerative Grammar

A syntactic framework that represents structure through directed head-dependent relations between individual words.

Related:Phrase Structure GrammarHeadParsing

A word (such as 'the,' 'a,' 'this,' 'every') that specifies the reference of a noun phrase.

Related:Noun PhraseSpecifierQuantifier

A theory positing that a finite set of rules can generate the infinite set of grammatical sentences in a language.

Related:ChomskyUniversal GrammarRecursion

A syntactic function such as subject, direct object, or indirect object, defined by structural position.

Related:SubjectObjectAgreement

The central word of a phrase that determines its syntactic category and grammatical properties.

Related:X-bar TheoryComplementSpecifier

The fundamental operation in the Minimalist Program that combines two syntactic objects into a larger constituent.

Related:Minimalist ProgramMoveDerivation

Chomsky's framework seeking to reduce syntactic theory to the minimal operations necessary: Merge and Move.

Related:Generative GrammarMergeFeature Checking

A phrase headed by a noun or pronoun that can serve as the subject or object of a clause.

Related:Verb PhraseDeterminerHead

The process of analyzing a string of words to determine its syntactic structure according to a grammar.

Related:Tree DiagramConstituencyAmbiguity

The hierarchical organization of words into nested phrases, represented by tree diagrams or bracketed notation.

Related:ConstituencyX-bar TheoryPhrase Structure Rules

The property of syntactic rules that allows a structure to contain an instance of the same type within itself.

Related:Generative GrammarEmbeddingInfinite Generativity

A constituent occupying the position at the edge of a phrase, such as a determiner in a noun phrase or a subject in a sentence.

Related:X-bar TheoryHeadComplement

The final form of a sentence as it is actually spoken or written, after all transformations have applied.

Related:Deep StructureTransformationPhonetic Form

A semantic role (Agent, Patient, Theme, Experiencer, etc.) assigned by a predicate to its arguments.

Related:Argument StructurePredicateTheta Criterion

The hypothesized set of innate linguistic principles and parameters that constrain the possible grammars of all human languages.

Related:ChomskyLanguage AcquisitionParameters
Syntax Glossary - Key Terms & Definitions | PiqCue