A modern language is any

human language Language is a structured system of communication that consists of grammar and vocabulary. It is the primary means by which humans convey meaning, both in spoken and signed language, signed forms, and may also be conveyed through writing syste ...

that is currently in use as a

native language A first language (L1), native language, native tongue, or mother tongue is the first language a person has been exposed to from birth or within the critical period hypothesis, critical period. In some countries, the term ''native language'' ...

. The term is used in

language education Language education refers to the processes and practices of teaching a second language, second or foreign language. Its study reflects interdisciplinarity, interdisciplinary approaches, usually including some applied linguistics. There are f ...

to distinguish between languages which are used for day-to-day communication (such as French and German) and

dead Death is the end of life; the irreversible cessation of all biological functions that sustain a living organism. Death eventually and inevitably occurs in all organisms. The remains of a former organism normally begin to decompose sho ...

classical language According to the definition by George L. Hart, a classical language is any language with an independent literary tradition and a large body of ancient written literature. Classical languages are usually extinct languages. Those that are still ...

s such as

Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...

and

Classical Chinese Classical Chinese is the language in which the classics of Chinese literature were written, from . For millennia thereafter, the written Chinese used in these works was imitated and iterated upon by scholars in a form now called Literary ...

, which are studied for their cultural and linguistic value. SIL Ethnologue defines a living language as "one that has at least one speaker for whom it is their first language" (see also Language § Linguistic diversity).

Teaching

Modern languages are taught extensively around the world; see

second language acquisition Second-language acquisition (SLA), sometimes called second-language learning—otherwise referred to as L2 (language 2) acquisition, is the process of learning a language other than one's native language (L1). SLA research examines how learners ...

. English is taught as a

second The second (symbol: s) is a unit of time derived from the division of the day first into 24 hours, then to 60 minutes, and finally to 60 seconds each (24 × 60 × 60 = 86400). The current and formal definition in the International System of U ...

foreign language A foreign language is a language that is not an official language of, nor typically spoken in, a specific country. Native speakers from that country usually need to acquire it through conscious learning, such as through language lessons at schoo ...

in many countries; see English language learning and teaching.

Auxiliary languages

International auxiliary languages An international auxiliary language (sometimes acronymized as IAL or contracted as auxlang) is a language meant for communication between people from different nations, who do not share a common first language. An auxiliary language is primarily a ...

are by definition not associated with a particular country or geographic region.

Esperanto Esperanto (, ) is the world's most widely spoken Constructed language, constructed international auxiliary language. Created by L. L. Zamenhof in 1887 to be 'the International Language' (), it is intended to be a universal second language for ...

is probably the best-known and most widespread.

Interlingua Interlingua (, ) is an international auxiliary language (IAL) developed between 1937 and 1951 by the American International Auxiliary Language Association (IALA). It is a constructed language of the "naturalistic" variety, whose vocabulary, ...

, a much less popular, but still growing auxiliary language, is likewise spoken mainly in Northern and

Eastern Europe Eastern Europe is a subregion of the Europe, European continent. As a largely ambiguous term, it has a wide range of geopolitical, geographical, ethnic, cultural and socio-economic connotations. Its eastern boundary is marked by the Ural Mountain ...

and in

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

, with substantial numbers of speakers in

Central Europe Central Europe is a geographical region of Europe between Eastern Europe, Eastern, Southern Europe, Southern, Western Europe, Western and Northern Europe, Northern Europe. Central Europe is known for its cultural diversity; however, countries in ...

Ukraine Ukraine is a country in Eastern Europe. It is the List of European countries by area, second-largest country in Europe after Russia, which Russia–Ukraine border, borders it to the east and northeast. Ukraine also borders Belarus to the nor ...

, and

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

. Constructed languages from more recent years with sizable user communities are

Klingon The Klingons ( ; Klingon language, Klingon: ''tlhIngan'' ) are a humanoid species of aliens in the science fiction franchise ''Star Trek''. Developed by screenwriter Gene L. Coon in 1967 for the Star Trek: The Original Series, original ''Star T ...

Toki Pona Toki Pona (; , , translated as 'the language of good') is a Philosophical language, philosophical, Artistic language, artistic, constructed language designed for its small vocabulary, simplicity, and ease of acquisition. It was created by Canadia ...

and Interslavic.

Teaching

Auxiliary languages

See also