Today I stumbled upon the word vernacular, which means:
- the standard native language of a country or locality
- the everyday language spoken by a people as distinguished from the literary language (also see: dialect)
Read more about Vernacular on Wikipedia. You can use more similar words to describe specific style of language. Notice that many of them are similar in Czech; that’s mostly because they originated in Latin.
- dialect – dialekt
- slang – slang
- patois – nářečí
- colloquial – hovorový
- jargon, lingo – žargon
Vernacular is a broad term that can refer to many different types of language, both locally specific or colloquial.
By the way, Google has a new feature where they show you dictionary definition of words. Just search define:vernacular, it’s pretty fast and neat. It even shows you the etymological origins in Latin or how this word is being used.