* Formal: This is a general antonym, meaning something that is official, polished, and appropriate for formal occasions.
* Literary: This refers to language used in written works, often more complex and elevated than everyday speech.
* Standard: This refers to the language considered correct and widely accepted, often contrasting with dialects or regional variations.
* Technical: This implies language specific to a particular field or profession, often using specialized vocabulary and jargon.
* Foreign: This is a direct opposite of vernacular, referring to a language not native to a particular region.
Ultimately, the best antonym will depend on the specific meaning you want to convey.