Colloquial

a.

1.

Pertaining to, or used in, conversation, esp. common and familiar conversation; conversational; hence, unstudied; informal; as, colloquial intercourse; colloquial phrases; a colloquial style. His [Johnson's] colloquial talents were, indeed, of the highest order. - Macaulay.

Adj.

1.

colloquial - characteristic of informal spoken language or conversation; "wrote her letters in a colloquial style"; "the broken syntax and casual enunciation of conversational English" Synonyms: conversational

chatty, chitchatty, common, communicative, confabulatory, conversational, cozy, everyday, familiar, informal, interlocutory, nonstandard, patois, spoken, substandard, uneducated, unliterary, unstudied, vernacular, vulgar, vulgate