A noun () is a
word
A word is a basic element of language that carries an semantics, objective or pragmatics, practical semantics, meaning, can be used on its own, and is uninterruptible. Despite the fact that language speakers often have an intuitive grasp of w ...
that generally functions as the name of a specific object or set of objects, such as living creatures, places, actions, qualities, states of existence, or ideas.
[Example nouns for:
* ]Living creatures
In biology, an organism () is any living system that functions as an individual entity. All organisms are composed of cells (cell theory). Organisms are classified by taxonomy into groups such as multicellular animals, plants, and fungi; ...
(including people, alive, dead or imaginary): ''mushrooms, dogs, Afro-Caribbean
Afro-Caribbean people or African Caribbean are Caribbean people who trace their full or partial ancestry to Sub-Saharan Africa. The majority of the modern African-Caribbeans descend from Africans taken as slaves to colonial Caribbean via the ...
s, rosebushes, Nelson Mandela
Nelson Rolihlahla Mandela (; ; 18 July 1918 – 5 December 2013) was a South African Internal resistance to apartheid, anti-apartheid activist who served as the President of South Africa, first president of South Africa from 1994 to 1 ...
, bacteria, Klingons
The Klingons ( ; Klingon language, Klingon: ''tlhIngan'' ) are a fictional species in the science fiction franchise ''Star Trek''.
Developed by screenwriter Gene L. Coon in 1967 for the Star Trek: The Original Series, original ''Star Trek'' ('' ...
'', etc.
* Physical object
In common usage and classical mechanics, a physical object or physical body (or simply an object or body) is a collection of matter within a defined contiguous boundary in three-dimensional space. The boundary must be defined and identified by t ...
s: ''hammers, pencils, Earth, guitars, atoms, stones, boots, shadows'', etc.
* Places: ''closets, temples, rivers, Antarctica, houses, Grand Canyon, utopia
A utopia ( ) typically describes an imaginary community or society that possesses highly desirable or nearly perfect qualities for its members. It was coined by Sir Thomas More for his 1516 book ''Utopia (book), Utopia'', describing a fictional ...
'', etc.
* Actions
Action may refer to:
* Action (narrative), a literary mode
* Action fiction, a type of genre fiction
* Action game, a genre of video game
Film
* Action film, a genre of film
* ''Action'' (1921 film), a film by John Ford
* ''Action'' (1980 fil ...
: ''swimming, exercises, diffusion
Diffusion is the net movement of anything (for example, atoms, ions, molecules, energy) generally from a region of higher concentration to a region of lower concentration. Diffusion is driven by a gradient in Gibbs free energy or chemical p ...
s, explosions, flight, electrification, embezzlement'', etc.
* Qualities: ''colors, lengths, deafness, weights, roundness, symmetry, warp speed
The technology in ''Star Trek'' has borrowed many ideas from the scientific world. Episodes often contain technologies named after real-world scientific phenomena, such as tachyon beams, baryon sweeps, quantum slipstream drives, and photon torp ...
,'' etc.
* Mental
Mental may refer to:
* of or relating to the mind
Films
* ''Mental'' (2012 film), an Australian comedy-drama
* ''Mental'' (2016 film), a Bangladeshi romantic-action movie
* ''Mental'', a 2008 documentary by Kazuhiro Soda
* ''Mental'', a 2014 O ...
or physical states of existence: ''jealousy, sleep, heat, joy, stomachache, confusion, mind meld
Vulcans, sometimes referred to as Vulcanians, are a fictional extraterrestrial humanoid species in the ''Star Trek'' universe and media franchise. In the various ''Star Trek'' television series and films, they are noted for their attempt to l ...
,'' etc.
Lexical categories (
parts of speech
In grammar, a part of speech or part-of-speech (abbreviated as POS or PoS, also known as word class or grammatical category) is a category of words (or, more generally, of lexical items) that have similar grammatical properties. Words that are assi ...
) are defined in terms of the ways in which their members combine with other kinds of expressions. The
syntactic
In linguistics, syntax () is the study of how words and morphemes combine to form larger units such as phrases and sentences. Central concerns of syntax include word order, grammatical relations, hierarchical sentence structure (constituency), ...
rules for nouns differ between
language
Language is a structured system of communication. The structure of a language is its grammar and the free components are its vocabulary. Languages are the primary means by which humans communicate, and may be conveyed through a variety of met ...
s. In
English
English usually refers to:
* English language
* English people
English may also refer to:
Peoples, culture, and language
* ''English'', an adjective for something of, from, or related to England
** English national ide ...
, nouns are those words which can occur with
articles
Article often refers to:
* Article (grammar), a grammatical element used to indicate definiteness or indefiniteness
* Article (publishing), a piece of nonfictional prose that is an independent part of a publication
Article may also refer to:
G ...
and
attributive adjectives and can function as the
head
A head is the part of an organism which usually includes the ears, brain, forehead, cheeks, chin, eyes, nose, and mouth, each of which aid in various sensory functions such as sight, hearing, smell, and taste. Some very simple animals may ...
of a
noun phrase. "As far as we know, every language makes a grammatical distinction that looks like a noun verb distinction."
History
Word classes (parts of speech) were described by
Sanskrit
Sanskrit (; attributively , ; nominally , , ) is a classical language belonging to the Indo-Aryan branch of the Indo-European languages. It arose in South Asia after its predecessor languages had diffused there from the northwest in the late ...
grammarians from at least the 5th century BC. In
Yāska
Yāska was an ancient Indian grammarian and linguist st. 7th–5th century BCE(disputed)">disputed.html" ;"title="st. 7th–5th century BCE(disputed">st. 7th–5th century BCE(disputed) Preceding Pāṇini 's ''
st. 7th–4th century BCE(Controv ...
's ''Nirukta'', the noun (''nāma'') is one of the four main categories of words defined.