AskDefine | Define semantics

Dictionary Definition

semantics n : the study of language meaning

User Contributed Dictionary



  • /sɪˈmæntɪks/


  1. A branch of linguistics studying the meaning of words.
  2. The study of the relationship between words and their meanings.
  3. The individual meanings of words, as opposed to the overall meaning of a passage.
    You're arguing semantics and completely ignoring my point.


science of the meaning of words
  • Croatian: semantika
  • Czech: sémantika
  • Danish: semantik
  • Finnish: semantiikka, merkitysoppi
  • Japanese: (, imiron)
  • Norwegian: semantikk
  • Slovene: pomenoslovje
  • Spanish: semántica
study of the relationship between words and their meanings
individual meanings of words
  • Croatian: semantika
  • Danish: semantik
  • Finnish: semantiikka
  • Norwegian: semantikk

Extensive Definition

Semantics is the study of meaning in communication. The word derives from Greek σημαντικός (semantikos), "significant", from σημαίνω (semaino), "to signify, to indicate" and that from σήμα (sema), "sign, mark, token". In linguistics it is the study of interpretation of signs as used by agents or communities within particular circumstances and contexts. It has related meanings in several other fields.
Semanticists differ on what constitutes meaning in an expression. For example, in the sentence, "John loves a bagel", the word bagel may refer to the object itself, which is its literal meaning or denotation, but it may also refer to many other figurative associations, such as how it meets John's hunger, etc., which may be its connotation. Traditionally, the formal semantic view restricts semantics to its literal meaning, and relegates all figurative associations to pragmatics, but this distinction is increasingly difficult to defend.
This traditional view of semantics, as an innate finite meaning inherent in a lexical unit that can be composed to generate meanings for larger chunks of discourse, is now being fiercely debated in the emerging domain of cognitive linguistics and also in the non-Fodorian camp in Philosophy of Language. The challenge is motivated by
  • factors internal to language, such as the problem of resolving indexical or anaphora (e.g. this x, him, last week). In these situations "context" serves as the input, but the interpreted utterance also modifies the context, so it is also the output. Thus, the interpretation is necessarily dynamic and the meaning of sentences is viewed as context-change potentials instead of propositions.
  • factors external to language, i.e. language is not a set of labels stuck on things, but "a toolbox, the importance of whose elements lie in the way they function rather than their attachments to things.". However, the colours implied in phrases such as "red wine" (very dark), and "red hair" (coppery), or "red soil", or "red skin" are very different. Indeed, these colours by themselves would not be called "red" by native speakers. These instances are contrastive, so "red wine" is so called only in comparison with the other kind of wine (which also is not "white" for the same reasons). This view goes back to de Saussure:
Each of a set of synonyms like redouter ('to dread'), craindre ('to fear'), avoir peur ('to be afraid') has its particular value only because they stand in contrast with one another. No word has a value that can be identified independently of what else is in its vicinity.
and may go back to earlier Indian views on language, especially the Nyaya view of words as indicators and not carriers of meaning.
An attempt to defend a system based on propositional meaning for semantic underspecification can be found in the Generative Lexicon model of James Pustejovsky, who extends contextual operations (based on type shifting) into the lexicon. Thus meanings are generated on the fly based on finite context.

Prototype theory

Another set of concepts related to fuzziness in semantics is based on prototypes. The work of Eleanor Rosch and George Lakoff in the 1970s led to a view that natural categories are not characterizable in terms of necessary and sufficient conditions, but are graded (fuzzy at their boundaries) and inconsistent as to the status of their constituent members.
Systems of categories are not objectively "out there" in the world but are rooted in people's experience. These categories evolve as learned concepts of the world — meaning is not an objective truth, but a subjective construct, learned from experience, and language arises out of the "grounding of our conceptual systems in shared embodiment and bodily experience". A corollary of this is that the conceptual categories (i.e. the lexicon) will not be identical for different cultures, or indeed, for every individual in the same culture. This leads to another debate (see the Whorf-Sapir hypothesis or Eskimo words for snow).

Computer science

In computer science, considered in part as an application of mathematical logic, semantics reflects the meaning of programs or functions.
In this regard, semantics permits programs to be separated into their syntactical part (grammatical structure) and their semantic part (meaning). For instance, the following statements use different syntaxes (languages), but result in the same semantic:
  • x += y; (C, Java, etc.)
  • x := x + y; (Pascal)
  • Let x = x + y;
  • x = x + y (various BASIC languages)
Generally these operations would all perform an arithmetical addition of 'y' to 'x' and store the result in a variable 'x'.
Semantics for computer applications falls into three categories:
  • Operational semantics: The meaning of a construct is specified by the computation it induces when it is executed on a machine. In particular, it is of interest how the effect of a computation is produced.
  • Denotational semantics: Meanings are modelled by mathematical objects that represent the effect of executing the constructs. Thus only the effect is of interest, not how it is obtained.
  • Axiomatic semantics: Specific properties of the effect of executing the constructs as expressed as assertions. Thus there may be aspects of the executions that are ignored.
The Semantic Web refers to the extension of the World Wide Web through the embedding of additional semantic metadata; s.a. Web Ontology Language (OWL).


In psychology, semantic memory is memory for meaning, in other words, the aspect of memory that preserves only the gist, the general significance, of remembered experience, while episodic memory is memory for the ephemeral details, the individual features, or the unique particulars of experience. Word meaning is measured by the company they keep; the relationships among words themselves in a semantic network. In a network created by people analyzing their understanding of the word (such as Wordnet) the links and decomposition structures of the network are few in number and kind; and include "part of", "kind of", and similar links. In automated ontologies the links are computed vectors without explicit meaning. Various automated technologies are being developed to compute the meaning of words: latent semantic indexing and support vector machines as well as natural language processing, neural networks and predicate calculus techniques.


See also

Major philosophers and theorists

Linguistics and semiotics

Logic and mathematics

semantics in Afrikaans: Semantiek
semantics in Arabic: دلالية
semantics in Asturian: Semántica
semantics in Bengali: অর্থবিজ্ঞান
semantics in Belarusian (Tarashkevitsa): Сэмантыка
semantics in Bosnian: Semantika
semantics in Breton: Semantik
semantics in Bulgarian: Семантика
semantics in Catalan: Semàntica
semantics in Chuvash: Семантика (лингвистика)
semantics in Czech: Sémantika
semantics in Danish: Semantik
semantics in German: Semantik
semantics in Modern Greek (1453-): Σημασιολογία
semantics in Spanish: Semántica
semantics in Esperanto: Semantiko
semantics in Basque: Semantika
semantics in Persian: معناشناسی
semantics in Faroese: Merkingarfrøði
semantics in French: Sémantique
semantics in Galician: Semántica
semantics in Korean: 의미론
semantics in Croatian: Semantika
semantics in Ido: Semantiko
semantics in Indonesian: Semantik
semantics in Interlingua (International Auxiliary Language Association): Semantica
semantics in Icelandic: Merkingarfræði
semantics in Italian: Semantica
semantics in Hebrew: סמנטיקה
semantics in Latvian: Semantika
semantics in Lithuanian: Semantika
semantics in Lojban: smuske
semantics in Hungarian: Szemantika
semantics in Malay (macrolanguage): Semantik
semantics in Dutch: Semantiek
semantics in Japanese: 意味論
semantics in Norwegian: Semantikk
semantics in Norwegian Nynorsk: Semantikk
semantics in Novial: Semantike
semantics in Polish: Semantyka
semantics in Portuguese: Semântica
semantics in Romanian: Semantică
semantics in Russian: Лингвистическая семантика
semantics in Simple English: Semantics
semantics in Slovak: Sémantika (náuka)
semantics in Serbian: Семантика
semantics in Serbo-Croatian: Semantika
semantics in Finnish: Semantiikka
semantics in Swedish: Semantik
semantics in Tamil: சொற்பொருளியல்
semantics in Turkish: Semantik
semantics in Ukrainian: Семантика
semantics in Chinese: 语义学

Synonyms, Antonyms and Related Words

bowwow theory, comparative linguistics, derivation, descriptive linguistics, dialectology, dingdong theory, etymology, glossematics, glossography, glossology, glottochronology, glottology, grammar, graphemics, historical linguistics, language study, lexicography, lexicology, lexicostatistics, lexigraphy, linguistic geography, linguistic science, linguistics, mathematical linguistics, morphology, morphophonemics, onomasiology, onomastics, onomatology, paleography, philology, phonetics, phonology, psycholinguistics, semasiology, semiotic, semiotics, significs, sociolinguistics, structuralism, syntactics, transformational linguistics
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