dialect

A lect (often a regional or minority language) as part of a group or family of languages, especially if they are viewed as a single language, or if contrasted with a standardized idiom that is considered the 'true' form of the language (for

The question could be put: 'Is there anything inherent in a dialect which gives it a negative stigma or is it that the status of the majority of the speakers is transferred to the dialect?' — something that occurs in many regions in different countries.

Comparative wordlists of two dialects of Yoruba with Igala.

A variety of a language that is characteristic of a particular area, community, or social group, differing from other varieties of the same language in relatively minor ways as regards grammar, phonology, and lexicon.

And in addition, many dialects of English make no morphological distinction between Adjectives and Adverbs, and thus use Adjectives in contexts where the standard language requires -ly Adverbs

Language that is perceived as substandard or wrong.

Well, those children don't speak dialect, not in this school. Maybe in the public schools, but not here.

[…] on the second day, Miss Anderson gave the school a lecture on why it was wrong to speak dialect. She had ended by saying "Respectable people don't speak dialect."

A language existing only in an oral or non-standardized form, especially a language spoken in a developing country or an isolated region.

A variant of a non-standardized programming language.

Home computers in the 1980s had many incompatible dialects of BASIC.