Language
A language was a form of communication developed by lifeforms necessary to collaborate within a society. All intelligent lifeforms have developed some kind of language, usually multiple forms. The study of language was known as linguistics, and the study of alien languages exolinguistics.

A word was a basic unit of language that held meaning. Multiple words could be used to form a . For languages which used an alphabet, words were made out of a sequence of s.

Languages came in spoken, written, and gestural forms. In most cultures, gestural languages developed first, before written or oral. One exception were the Leyrons. ()

Languages were almost always unique to the culture, and one was required to translate a language. More advanced cultures developed universal translators able to surmount the language barrier between different groups, allowing interstellar society to exist. These universal translators were programmed with hundreds of languages. They were not always successful, however. (; ) 

Often, when attempting to communicate with an unknown race, several languages were broadcast in an attempt to find one that might be understood by the hearer. ()

Children often found new languages easier to learn than adults did. ()

As the first Kelpien in Starfleet, Saru was eager to be the best example of his race, and learned ninety four different Federation languages. ()

In 2268, the Medusan Ambassador Kollos, newly able to comprehend humanoid existence through Spock, expressed his wonder at the concept of language. He noted that while people depended on it for many things, none had yet achieved mastery of it. ()

According to Nyota Uhura in 2269, Humans in the 23rd century learned not to fear words. ()

Languages 
Axanar
Bajoran language family
 Ancient Bajoran
 Modern Bajoran
Borg
Breen
Cardassian
Denobulan
Dominionese
Federation Standard
Ferengi
Giamon
Haliian
Human languages
American Sign Language
Arabic
Chinese
Cantonese
Mandarin
Dutch
English
Finnish
French
German
Greek
Hawaiian
Hebrew
Hindi
Irish
Italian
Japanese
Latin
Lincos
Norwegian
Polish
Russian
Scots
Spanish
Swahili
Welsh
Wolof
Iconian language
Dewan
Dinasian
Iccobar
Jaradan
Kelpien
Klingonese
Kobali
Kreetassan
Kriosian
Menk
Osaarian
Ravis' language
Risan
Romulan
Sheliak
Stroyerian
Talaxian
Tamarian
Tak Tak
Tau Cetian
Trill
Valakian
Varalan
Vulcan
Whale song
Xindi-Aquatic
Xindi-Insectoid
Unnamed languages

Tools 
Language file
Linguacode
Linguistic database
Translation algorithm
Translation matrix
Universal translator

See also 
Gesture
Nickname
Slang

External links  
 
 

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Linguistics