colloquial

Definition of Colloquial in English :

characteristic of informal spoken language or conversation

Example Sentences:
'wrote her letters in a colloquial style'
'the broken syntax and casual enunciation of conversational English'

WordNet Lexical Database for English. Princeton University. 2010.

Colloquial

adjective

1.

of or relating to conversation

2.

denoting or characterized by informal or conversational idiom or vocabulary

Compare informal

adjective

1.

having to do with or like conversation; conversational

2.

informal (sense e)

adj.

1. Characteristic of or appropriate to the spoken language or to writing that seeks the effect of speech; informal.

2. Relating to conversation; conversational.